$CVX
CHEVRON CORP Stock $cvx

$cvx Overview Financials Valuation SEC Filings Company Website

2018 Q4 Form 10-K Financial Statement

#000009341020000010 Filed on February 21, 2020

Income Statement

Concept	2018 Q4	2017 Q4	2017
Revenue	$39.95B	$36.57B	$141.7B
YoY Change	9.24%	21.02%	23.8%
Cost Of Revenue	$23.85B	$21.15B	$75.77B
YoY Change	12.79%	24.67%	27.72%
Gross Profit	$16.10B	$15.42B	$65.96B
YoY Change	4.36%	16.35%	19.59%
Gross Profit Margin	40.29%	42.17%	46.54%
Selling, General & Admin	$1.981B	$4.531B	$4.110B
YoY Change	-56.28%	2.67%	-4.53%
% of Gross Profit	12.31%	29.38%	6.23%
Research & Development	$250.0M	$356.0M	$433.0M
YoY Change	-29.78%	86.39%	-9.03%
% of Gross Profit	1.55%	2.31%	0.66%
Depreciation & Amortization	$5.252B	$4.735B	$19.35B
YoY Change	10.92%	12.66%	-0.56%
% of Gross Profit	32.63%	30.7%	29.34%
Operating Expenses	$12.76B	$14.51B	$4.543B
YoY Change	-12.04%	8.45%	-4.98%
Operating Profit	$3.337B	$917.0M	$61.41B
YoY Change	263.9%	-864.17%	21.93%
Interest Expense	$1.777B	$564.0M	$4.015B
YoY Change	215.07%	-10.76%	85.88%
% of Operating Profit	53.25%	61.5%	6.54%
Other Income/Expense, Net	-$216.0M		$2.610B
YoY Change			63.53%
Pretax Income	$4.898B	$1.481B	-$441.0M
YoY Change	230.72%	189.26%	-89.78%
Income Tax	$1.201B	$383.0M	-$48.00M
% Of Pretax Income	24.52%	25.86%
Net Earnings	$3.730B	$3.111B	$9.195B
YoY Change	19.9%	649.64%	-1950.1%
Net Earnings / Revenue	9.34%	8.51%	6.49%
Basic Earnings Per Share			$4.88
Diluted Earnings Per Share	$1.957M	$1.631M	$4.85
COMMON SHARES
Basic Shares Outstanding			1.883B shares
Diluted Shares Outstanding			1.898B shares

Balance Sheet

Concept	2018 Q4	2017 Q4	2017
SHORT-TERM ASSETS
Cash & Short-Term Investments	$10.35B	$4.822B	$4.822B
YoY Change	114.54%	-31.12%	-31.12%
Cash & Equivalents	$9.342B	$4.813B	$4.813B
Short-Term Investments	$1.003B	$9.000M	$9.000M
Other Short-Term Assets	$3.201B	$2.822B	$2.822B
YoY Change	13.43%	-10.04%	-10.04%
Inventory	$5.704B	$5.585B	$5.585B
Prepaid Expenses	$2.922B	$2.800B
Receivables	$14.77B	$15.33B	$15.33B
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$34.02B	$28.56B	$28.56B
YoY Change	19.12%	-3.58%	-3.58%
LONG-TERM ASSETS
Property, Plant & Equipment	$169.2B	$177.7B	$177.7B
YoY Change	-4.79%	-2.46%	-2.46%
Goodwill	$4.518B	$4.531B
YoY Change	-0.29%	-1.09%
Intangibles
YoY Change
Long-Term Investments	$35.26B	$32.11B	$32.50B
YoY Change	9.83%	7.77%	7.43%
Other Assets	$6.766B	$7.017B	$7.657B
YoY Change	-3.58%	2.62%	-30.13%
Total Long-Term Assets	$219.8B	$225.2B	$225.2B
YoY Change	-2.4%	-2.26%	-2.26%
TOTAL ASSETS
Total Short-Term Assets	$34.02B	$28.56B	$28.56B
Total Long-Term Assets	$219.8B	$225.2B	$225.2B
Total Assets	$253.9B	$253.8B	$253.8B
YoY Change	0.02%	-2.41%	-2.41%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$13.95B	$14.57B	$14.44B
YoY Change	-4.2%	4.14%	4.0%
Accrued Expenses	$4.927B	$5.267B	$5.267B
YoY Change	-6.46%	7.89%	7.89%
Deferred Revenue
YoY Change
Short-Term Debt	$5.726B	$5.192B	$0.00
YoY Change	10.29%	-52.1%	-100.0%
Long-Term Debt Due	$5.000B	$6.720B	$5.192B
YoY Change	-25.6%	7.47%	-51.88%
Total Short-Term Liabilities	$27.17B	$27.74B	$27.74B
YoY Change	-2.04%	-12.74%	-12.74%
LONG-TERM LIABILITIES
Long-Term Debt	$28.73B	$33.48B	$33.57B
YoY Change	-14.17%	-4.88%	-4.86%
Other Long-Term Liabilities	$26.40B	$28.53B	$28.53B
YoY Change	-7.47%	-0.84%	-0.84%
Total Long-Term Liabilities	$55.13B	$33.48B	$62.10B
YoY Change	64.68%	-4.88%	-3.06%
TOTAL LIABILITIES
Total Short-Term Liabilities	$27.17B	$27.74B	$27.74B
Total Long-Term Liabilities	$55.13B	$33.48B	$62.10B
Total Liabilities	$98.22B	$104.5B	$105.7B
YoY Change	-6.0%	-7.82%	-7.72%
SHAREHOLDERS EQUITY
Retained Earnings	$181.0B	$174.1B
YoY Change	3.95%	0.61%
Common Stock	$18.94B	$18.68B
YoY Change	1.41%	1.37%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$41.59B	$40.83B
YoY Change	1.86%	-2.39%
Treasury Stock Shares	539.8M shares	538.0M shares
Shareholders Equity	$154.6B	$148.1B	$148.1B
YoY Change
Total Liabilities & Shareholders Equity	$253.9B	$253.8B	$253.8B
YoY Change	0.02%	-2.41%	-2.41%

Cashflow Statement

Concept	2018 Q4	2017 Q4	2017
OPERATING ACTIVITIES
Net Income	$3.730B	$3.111B	$9.195B
YoY Change	19.9%	649.64%	-1950.1%
Depreciation, Depletion And Amortization	$5.252B	$4.735B	$19.35B
YoY Change	10.92%	12.66%	-0.56%
Cash From Operating Activities	$9.151B	$6.093B	$20.34B
YoY Change	50.19%	64.36%	60.27%
INVESTING ACTIVITIES
Capital Expenditures	-$3.991B	-$3.641B	-$13.40B
YoY Change	9.61%	-9.18%	-25.98%
Acquisitions
YoY Change
Other Investing Activities	-$641.0M	$355.0M	$5.084B
YoY Change	-280.56%	-77.36%	192.35%
Cash From Investing Activities	-$4.632B	-$3.286B	-$8.320B
YoY Change	40.96%	34.62%	-49.18%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$1.000M
YoY Change			-50.0%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-4.756B	-4.822B	-$14.55B
YoY Change	-1.37%	285.45%	-58316.0%
NET CHANGE
Cash From Operating Activities	9.151B	6.093B	$20.34B
Cash From Investing Activities	-4.632B	-3.286B	-$8.320B
Cash From Financing Activities	-4.756B	-4.822B	-$14.55B
Net Change In Cash	-237.0M	-2.015B	-$2.471B
YoY Change	-88.24%	-13533.33%	-33.36%
FREE CASH FLOW
Cash From Operating Activities	$9.151B	$6.093B	$20.34B
Capital Expenditures	-$3.991B	-$3.641B	-$13.40B
Free Cash Flow	$13.14B	$9.734B	$33.74B
YoY Change	35.01%	26.15%	9.56%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2019Q4	cvx	Debt Instrument Unamortized Discount Premiumand Debt Issuance Costs Shortterm Net DebtInstrumentUnamortizedDiscountPremiumandDebtIssuanceCostsShorttermNet	0	USD
CY2016Q4	cvx	Number Of Treasury Stocks Held In Benefit Plan Trust For Funding Obligations NumberOfTreasuryStocksHeldInBenefitPlanTrustForFundingObligations	14168000	shares
CY2017Q4	cvx	Number Of Treasury Stocks Held In Benefit Plan Trust For Funding Obligations NumberOfTreasuryStocksHeldInBenefitPlanTrustForFundingObligations	14168000	shares
CY2018Q4	cvx	Debt Instrument Unamortized Discount Premiumand Debt Issuance Costs Shortterm Net DebtInstrumentUnamortizedDiscountPremiumandDebtIssuanceCostsShorttermNet	1000000	USD
CY2018Q4	cvx	Number Of Treasury Stocks Held In Benefit Plan Trust For Funding Obligations NumberOfTreasuryStocksHeldInBenefitPlanTrustForFundingObligations	14168000	shares
CY2019Q4	cvx	Number Of Treasury Stocks Held In Benefit Plan Trust For Funding Obligations NumberOfTreasuryStocksHeldInBenefitPlanTrustForFundingObligations	14168000	shares
CY2019	dei	Amendment Flag AmendmentFlag	false
CY2019	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2019	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2019	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
CY2019	dei	Entity Central Index Key EntityCentralIndexKey	0000093410
CY2018Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	869000000	USD
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	746000000	USD
CY2018Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.75
CY2019Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.75
CY2018Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	6000000000	shares
CY2019Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	6000000000	shares
CY2018Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	2442676580	shares
CY2019Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	2442676580	shares
CY2016Q4	us-gaap	Common Stock Value CommonStockValue	1832000000	USD
CY2017Q4	us-gaap	Common Stock Value CommonStockValue	1832000000	USD
CY2016Q4	us-gaap	Compensation And Benefits Trust CompensationAndBenefitsTrust	240000000	USD
CY2017Q4	us-gaap	Compensation And Benefits Trust CompensationAndBenefitsTrust	240000000	USD
CY2018Q4	us-gaap	Compensation And Benefits Trust CompensationAndBenefitsTrust	240000000	USD
CY2019Q4	us-gaap	Compensation And Benefits Trust CompensationAndBenefitsTrust	240000000	USD
CY2018Q4	us-gaap	Debt Instrument Interest Rate Effective Percentage DebtInstrumentInterestRateEffectivePercentage	0.0243
CY2019Q4	us-gaap	Debt Instrument Interest Rate Effective Percentage DebtInstrumentInterestRateEffectivePercentage	0.0169
CY2019	us-gaap	Debt Instrument Term DebtInstrumentTerm	P364D
CY2017	us-gaap	Excise And Sales Taxes ExciseAndSalesTaxes	7189000000	USD
CY2019	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	2	segment
CY2018Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1.00
CY2019Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1.00
CY2018Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	100000000	shares
CY2019Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	100000000	shares
CY2018Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2019Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2018Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	539838890	shares
CY2019Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	560508479	shares
CY2019	dei	Document Type DocumentType	10-K
CY2019	dei	Document Annual Report DocumentAnnualReport	true
CY2019	dei	Document Period End Date DocumentPeriodEndDate	2019-12-31
CY2019	dei	Document Transition Report DocumentTransitionReport	false
CY2019	dei	Entity File Number EntityFileNumber	001-00368
CY2019	dei	Entity Registrant Name EntityRegistrantName	Chevron Corp
CY2019	dei	Entity Address Address Line1 EntityAddressAddressLine1	6001 Bollinger Canyon Road
CY2019	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2019	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	94-0890210
CY2019	dei	Entity Address City Or Town EntityAddressCityOrTown	San Ramon,
CY2019	dei	Entity Address State Or Province EntityAddressStateOrProvince	CA
CY2019	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	94583-2324
CY2019	dei	City Area Code CityAreaCode	925
CY2019	dei	Local Phone Number LocalPhoneNumber	842-1000
CY2019	dei	Security12b Title Security12bTitle	Common stock, par value $.75 per share
CY2019	dei	Trading Symbol TradingSymbol	CVX
CY2019	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2019	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2019	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2019	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2019	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2019	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2019	dei	Entity Small Business EntitySmallBusiness	false
CY2019	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2019	dei	Entity Shell Company EntityShellCompany	false
CY2019Q2	dei	Entity Public Float EntityPublicFloat	236200000000	USD
CY2020Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	1879324765	shares
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	139865000000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	158902000000	USD
CY2017	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	134674000000	USD
CY2019	cvx	Equity Method Investment Income EquityMethodInvestmentIncome	3968000000	USD
CY2018	cvx	Equity Method Investment Income EquityMethodInvestmentIncome	6327000000	USD
CY2017	cvx	Equity Method Investment Income EquityMethodInvestmentIncome	4438000000	USD
CY2019	cvx	Nonoperating Income NonoperatingIncome	2683000000	USD
CY2018	cvx	Nonoperating Income NonoperatingIncome	1110000000	USD
CY2017	cvx	Nonoperating Income NonoperatingIncome	2610000000	USD
CY2019	us-gaap	Revenues Revenues	146516000000	USD
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CY2017	us-gaap	Revenues Revenues	141722000000	USD
CY2019	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	80113000000	USD
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CY2019	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	21385000000	USD
CY2018	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	20544000000	USD
CY2017	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	19127000000	USD
CY2019	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	4143000000	USD
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CY2017	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	4110000000	USD
CY2019	us-gaap	Exploration Expense ExplorationExpense	770000000	USD
CY2018	us-gaap	Exploration Expense ExplorationExpense	1210000000	USD
CY2017	us-gaap	Exploration Expense ExplorationExpense	864000000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	29218000000	USD
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CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	19349000000	USD
CY2019	us-gaap	Taxes Other TaxesOther	4136000000	USD
CY2018	us-gaap	Taxes Other TaxesOther	4867000000	USD
CY2017	us-gaap	Taxes Other TaxesOther	12331000000	USD
CY2019	us-gaap	Interest Expense Debt InterestExpenseDebt	798000000	USD
CY2018	us-gaap	Interest Expense Debt InterestExpenseDebt	748000000	USD
CY2017	us-gaap	Interest Expense Debt InterestExpenseDebt	307000000	USD
CY2019	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	417000000	USD
CY2018	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	560000000	USD
CY2017	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	648000000	USD
CY2019	us-gaap	Costs And Expenses CostsAndExpenses	140980000000	USD
CY2018	us-gaap	Costs And Expenses CostsAndExpenses	145764000000	USD
CY2017	us-gaap	Costs And Expenses CostsAndExpenses	132501000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	5536000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	20575000000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	9221000000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2691000000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5715000000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-48000000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	2845000000	USD
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CY2017	us-gaap	Profit Loss ProfitLoss	9269000000	USD
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CY2019	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-79000000	USD
CY2018	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	36000000	USD
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CY2017	us-gaap	Net Income Loss NetIncomeLoss	9195000000	USD
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.55
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CY2017	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	57000000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	2000000	USD
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CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	-1000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	0	USD
CY2017	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	0	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax	0	USD
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CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	2000000	USD
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CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-519000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-792000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-817000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	-2404000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	85000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	-571000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Before Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax	4000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Before Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax	-13000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Before Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax	-20000000	USD
CY2019Q4	us-gaap	Assets Current AssetsCurrent	28329000000	USD
CY2018Q4	us-gaap	Assets Current AssetsCurrent	34021000000	USD
CY2019Q4	us-gaap	Accounts Receivable Net Noncurrent AccountsReceivableNetNoncurrent	1511000000	USD
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Cost Credit Arising During Period Before Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax	26000000	USD
CY2017	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Cost Credit Arising During Period Before Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax	1000000	USD
CY2019	cvx	Defined Benefit Plans Sponsoredby Equity Affiliates Cost Benefit DefinedBenefitPlansSponsoredbyEquityAffiliatesCostBenefit	-33000000	USD
CY2018	cvx	Defined Benefit Plans Sponsoredby Equity Affiliates Cost Benefit DefinedBenefitPlansSponsoredbyEquityAffiliatesCostBenefit	23000000	USD
CY2017	cvx	Defined Benefit Plans Sponsoredby Equity Affiliates Cost Benefit DefinedBenefitPlansSponsoredbyEquityAffiliatesCostBenefit	19000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	510000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-230000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-44000000	USD
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CY2017	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-200000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-1446000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	607000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	254000000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	1399000000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	15467000000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	9523000000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-79000000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	36000000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	74000000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1478000000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	15431000000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	9449000000	USD
CY2019Q4	cvx	Cashand Cash Equivalents Excluding Time Depositsat Carrying Value CashandCashEquivalentsExcludingTimeDepositsatCarryingValue	5686000000	USD
CY2018Q4	cvx	Cashand Cash Equivalents Excluding Time Depositsat Carrying Value CashandCashEquivalentsExcludingTimeDepositsatCarryingValue	9342000000	USD
CY2019Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	0	USD
CY2018Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	950000000	USD
CY2019Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	63000000	USD
CY2018Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	53000000	USD
CY2019Q4	us-gaap	Accounts Notes And Loans Receivable Net Current AccountsNotesAndLoansReceivableNetCurrent	13325000000	USD
CY2018Q4	us-gaap	Accounts Notes And Loans Receivable Net Current AccountsNotesAndLoansReceivableNetCurrent	15050000000	USD
CY2019Q4	us-gaap	Inventory Finished Goods And Work In Process InventoryFinishedGoodsAndWorkInProcess	3722000000	USD
CY2018Q4	us-gaap	Inventory Finished Goods And Work In Process InventoryFinishedGoodsAndWorkInProcess	3383000000	USD
CY2019Q4	us-gaap	Energy Related Inventory Chemicals EnergyRelatedInventoryChemicals	492000000	USD
CY2018Q4	us-gaap	Energy Related Inventory Chemicals EnergyRelatedInventoryChemicals	487000000	USD
CY2019Q4	us-gaap	Other Inventory Supplies OtherInventorySupplies	1634000000	USD
CY2018Q4	us-gaap	Other Inventory Supplies OtherInventorySupplies	1834000000	USD
CY2019Q4	us-gaap	Inventory Net InventoryNet	5848000000	USD
CY2018Q4	us-gaap	Inventory Net InventoryNet	5704000000	USD
CY2019Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	3407000000	USD
CY2018Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	2922000000	USD
CY2018Q4	us-gaap	Accounts Receivable Net Noncurrent AccountsReceivableNetNoncurrent	1942000000	USD
CY2019Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	38688000000	USD
CY2018Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	35546000000	USD
CY2019Q4	cvx	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	326722000000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	340244000000	USD
CY2019Q4	cvx	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	176228000000	USD
CY2018Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	171037000000	USD
CY2019Q4	cvx	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	150494000000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	169207000000	USD
CY2019Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	10532000000	USD
CY2018Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	6766000000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	4463000000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	4518000000	USD
CY2019Q4	us-gaap	Disposal Group Including Discontinued Operation Property Plant And Equipment DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment	3411000000	USD
CY2018Q4	us-gaap	Disposal Group Including Discontinued Operation Property Plant And Equipment DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment	1863000000	USD
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CY2018Q4	us-gaap	Assets Assets	253863000000	USD
CY2019Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	3282000000	USD
CY2018Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	5726000000	USD
CY2019Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	14103000000	USD
CY2018Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	13953000000	USD
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CY2018Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	4927000000	USD
CY2019Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	1554000000	USD
CY2018Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	1628000000	USD
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CY2018Q4	us-gaap	Liabilities Current LiabilitiesCurrent	27171000000	USD
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CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	28733000000	USD
CY2019Q4	cvx	Contract With Customer Liability And Other Noncurrent Liability ContractWithCustomerLiabilityAndOtherNoncurrentLiability	20445000000	USD
CY2018Q4	cvx	Contract With Customer Liability And Other Noncurrent Liability ContractWithCustomerLiabilityAndOtherNoncurrentLiability	19742000000	USD
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CY2019Q4	us-gaap	Liabilities Liabilities	92220000000	USD
CY2018Q4	us-gaap	Liabilities Liabilities	98221000000	USD
CY2019Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2018Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
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CY2018Q4	us-gaap	Common Stock Value CommonStockValue	1832000000	USD
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CY2018Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	17112000000	USD
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CY2019Q4	us-gaap	Common Stock Held In Trust CommonStockHeldInTrust	240000000	USD
CY2018Q4	us-gaap	Common Stock Held In Trust CommonStockHeldInTrust	240000000	USD
CY2019Q4	us-gaap	Treasury Stock Value TreasuryStockValue	44599000000	USD
CY2018Q4	us-gaap	Treasury Stock Value TreasuryStockValue	41593000000	USD
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CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	154554000000	USD
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CY2018	cvx	Dry Hole Expense DryHoleExpense	687000000	USD
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CY2019	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	1367000000	USD
CY2018	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	619000000	USD
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CY2019	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	-272000000	USD
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CY2018	cvx	Increase Decreasein Time Deposits Investing Activities IncreaseDecreaseinTimeDepositsInvestingActivities	-950000000	USD
CY2017	cvx	Increase Decreasein Time Deposits Investing Activities IncreaseDecreaseinTimeDepositsInvestingActivities	0	USD
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CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-12290000000	USD
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CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-14554000000	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	332000000	USD
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CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-3570000000	USD
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CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	10481000000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	5943000000	USD
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CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	6911000000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	10481000000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	5943000000	USD
CY2016Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	146722000000	USD
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CY2017	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	8210000000	USD
CY2017	us-gaap	Dividends Common Stock Stock DividendsCommonStockStock	3000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	254000000	USD
CY2017	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	1000000	USD
CY2017	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	1002000000	USD
CY2017	us-gaap	Stockholders Equity Other StockholdersEquityOther	-33000000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	149319000000	USD
CY2018	cvx	Adjustments To Additional Paid In Capital AdjustmentsToAdditionalPaidInCapital	264000000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	14860000000	USD
CY2018	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	8593000000	USD
CY2018	us-gaap	Dividends Common Stock Stock DividendsCommonStockStock	3000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	607000000	USD
CY2018	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	1751000000	USD
CY2018	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	991000000	USD
CY2018	us-gaap	Stockholders Equity Other StockholdersEquityOther	52000000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	155642000000	USD
CY2019	cvx	Adjustments To Additional Paid In Capital AdjustmentsToAdditionalPaidInCapital	153000000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	2845000000	USD
CY2019	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	8977000000	USD
CY2019	us-gaap	Dividends Common Stock Stock DividendsCommonStockStock	3000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-1446000000	USD
CY2019	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	4039000000	USD
CY2019	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	1033000000	USD
CY2019	us-gaap	Stockholders Equity Other StockholdersEquityOther	0	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	145208000000	USD
CY2016Q4	us-gaap	Shares Issued SharesIssued	2442676580	shares
CY2016Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	551170158	shares
CY2016Q4	us-gaap	Shares Outstanding SharesOutstanding	1891506422	shares
CY2017	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	10237	shares
CY2017	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	10237	shares
CY2017	us-gaap	Stock Issued During Period Shares Treasury Stock Reissued StockIssuedDuringPeriodSharesTreasuryStockReissued	13205700	shares
CY2017	us-gaap	Stock Issued During Period Shares Treasury Stock Reissued StockIssuedDuringPeriodSharesTreasuryStockReissued	13205700	shares
CY2017Q4	us-gaap	Shares Issued SharesIssued	2442676580	shares
CY2017Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	537974695	shares
CY2017Q4	us-gaap	Shares Outstanding SharesOutstanding	1904701885	shares
CY2018	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	14912039	shares
CY2018	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	14912039	shares
CY2018	us-gaap	Stock Issued During Period Shares Treasury Stock Reissued StockIssuedDuringPeriodSharesTreasuryStockReissued	13047844	shares
CY2018	us-gaap	Stock Issued During Period Shares Treasury Stock Reissued StockIssuedDuringPeriodSharesTreasuryStockReissued	13047844	shares
CY2018Q4	us-gaap	Shares Issued SharesIssued	2442676580	shares
CY2018Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	539838890	shares
CY2018Q4	us-gaap	Shares Outstanding SharesOutstanding	1902837690	shares
CY2019	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	33955300	shares
CY2019	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	33955300	shares
CY2019	us-gaap	Stock Issued During Period Shares Treasury Stock Reissued StockIssuedDuringPeriodSharesTreasuryStockReissued	13285711	shares
CY2019	us-gaap	Stock Issued During Period Shares Treasury Stock Reissued StockIssuedDuringPeriodSharesTreasuryStockReissued	13285711	shares
CY2019Q4	us-gaap	Shares Issued SharesIssued	2442676580	shares
CY2019Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	560508479	shares
CY2019Q4	us-gaap	Shares Outstanding SharesOutstanding	1882168101	shares
CY2019	us-gaap	Revenue Performance Obligation Description Of Timing RevenuePerformanceObligationDescriptionOfTiming	Payment is generally due within 30 days of delivery.
CY2017	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-256000000	USD
CY2017	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-510000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	254000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	4000000	USD
CY2018	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-603000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	607000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-1855000000	USD
CY2019	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-409000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-1446000000	USD
CY2019	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	-1852000000	USD
CY2018	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	-437000000	USD
CY2017	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	915000000	USD
CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-7000000	USD
CY2018	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	424000000	USD
CY2017	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	267000000	USD
CY2019	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	323000000	USD
CY2018	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	149000000	USD
CY2017	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-173000000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-109000000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-494000000	USD
CY2017	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	998000000	USD
CY2019	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	67000000	USD
CY2018	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-88000000	USD
CY2017	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	531000000	USD
CY2019	cvx	Increase Decreasein Operating Working Capital IncreaseDecreaseinOperatingWorkingCapital	-1494000000	USD
CY2018	cvx	Increase Decreasein Operating Working Capital IncreaseDecreaseinOperatingWorkingCapital	718000000	USD
CY2017	cvx	Increase Decreasein Operating Working Capital IncreaseDecreaseinOperatingWorkingCapital	-520000000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	810000000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	736000000	USD
CY2017	us-gaap	Interest Paid Net InterestPaidNet	265000000	USD
CY2019	us-gaap	Income Taxes Paid IncomeTaxesPaid	4817000000	USD
CY2018	us-gaap	Income Taxes Paid IncomeTaxesPaid	4748000000	USD
CY2017	us-gaap	Income Taxes Paid IncomeTaxesPaid	3132000000	USD
CY2019	us-gaap	Proceeds From Sales Of Assets Investing Activities ProceedsFromSalesOfAssetsInvestingActivities	2809000000	USD
CY2018	us-gaap	Proceeds From Sales Of Assets Investing Activities ProceedsFromSalesOfAssetsInvestingActivities	2000000000	USD
CY2017	us-gaap	Proceeds From Sales Of Assets Investing Activities ProceedsFromSalesOfAssetsInvestingActivities	4930000000	USD
CY2019	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	142000000	USD
CY2018	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	392000000	USD
CY2017	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	166000000	USD
CY2019	cvx	Proceedsfrom Saleof Productive Assetsand Equity Method Investment ProceedsfromSaleofProductiveAssetsandEquityMethodInvestment	2951000000	USD
CY2018	cvx	Proceedsfrom Saleof Productive Assetsand Equity Method Investment ProceedsfromSaleofProductiveAssetsandEquityMethodInvestment	2392000000	USD
CY2017	cvx	Proceedsfrom Saleof Productive Assetsand Equity Method Investment ProceedsfromSaleofProductiveAssetsandEquityMethodInvestment	5096000000	USD
CY2019	cvx	Time Deposits Purchased TimeDepositsPurchased	0	USD
CY2018	cvx	Time Deposits Purchased TimeDepositsPurchased	950000000	USD
CY2017	cvx	Time Deposits Purchased TimeDepositsPurchased	0	USD
CY2019	cvx	Time Deposits Matured TimeDepositsMatured	950000000	USD
CY2018	cvx	Time Deposits Matured TimeDepositsMatured	0	USD
CY2017	cvx	Time Deposits Matured TimeDepositsMatured	0	USD
CY2019	cvx	Increase Decreasein Time Deposits Investing Activities IncreaseDecreaseinTimeDepositsInvestingActivities	950000000	USD
CY2018	cvx	Increase Decreasein Time Deposits Investing Activities IncreaseDecreaseinTimeDepositsInvestingActivities	-950000000	USD
CY2017	cvx	Increase Decreasein Time Deposits Investing Activities IncreaseDecreaseinTimeDepositsInvestingActivities	0	USD
CY2019	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	1000000	USD
CY2018	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	51000000	USD
CY2017	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	3000000	USD
CY2019	cvx	Marketable Securities Sold MarketableSecuritiesSold	3000000	USD
CY2018	cvx	Marketable Securities Sold MarketableSecuritiesSold	0	USD
CY2017	cvx	Marketable Securities Sold MarketableSecuritiesSold	7000000	USD
CY2019	us-gaap	Payments For Proceeds From Investments PaymentsForProceedsFromInvestments	-2000000	USD
CY2018	us-gaap	Payments For Proceeds From Investments PaymentsForProceedsFromInvestments	51000000	USD
CY2017	us-gaap	Payments For Proceeds From Investments PaymentsForProceedsFromInvestments	-4000000	USD
CY2019	us-gaap	Payments To Fund Longterm Loans To Related Parties PaymentsToFundLongtermLoansToRelatedParties	1350000000	USD
CY2018	us-gaap	Payments To Fund Longterm Loans To Related Parties PaymentsToFundLongtermLoansToRelatedParties	0	USD
CY2017	us-gaap	Payments To Fund Longterm Loans To Related Parties PaymentsToFundLongtermLoansToRelatedParties	142000000	USD
CY2019	us-gaap	Proceeds From Collection Of Longterm Loans To Related Parties ProceedsFromCollectionOfLongtermLoansToRelatedParties	105000000	USD
CY2018	us-gaap	Proceeds From Collection Of Longterm Loans To Related Parties ProceedsFromCollectionOfLongtermLoansToRelatedParties	111000000	USD
CY2017	us-gaap	Proceeds From Collection Of Longterm Loans To Related Parties ProceedsFromCollectionOfLongtermLoansToRelatedParties	126000000	USD
CY2019	us-gaap	Proceeds From Payments For Long Term Loans For Related Parties ProceedsFromPaymentsForLongTermLoansForRelatedParties	-1245000000	USD
CY2018	us-gaap	Proceeds From Payments For Long Term Loans For Related Parties ProceedsFromPaymentsForLongTermLoansForRelatedParties	111000000	USD
CY2017	us-gaap	Proceeds From Payments For Long Term Loans For Related Parties ProceedsFromPaymentsForLongTermLoansForRelatedParties	-16000000	USD
CY2019	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	2586000000	USD
CY2018	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	2486000000	USD
CY2017	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	5051000000	USD
CY2019	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	1430000000	USD
CY2018	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	4136000000	USD
CY2017	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	8820000000	USD
CY2019	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	-3977000000	USD
CY2018	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	3671000000	USD
CY2017	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	-1373000000	USD
CY2019	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-2821000000	USD
CY2018	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	2021000000	USD
CY2017	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-5142000000	USD
CY2019	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	1104000000	USD
CY2018	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	1147000000	USD
CY2017	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	1118000000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	4039000000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1751000000	USD
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1000000	USD
CY2019	us-gaap	Proceeds From Repurchase Of Equity ProceedsFromRepurchaseOfEquity	-2935000000	USD
CY2018	us-gaap	Proceeds From Repurchase Of Equity ProceedsFromRepurchaseOfEquity	-604000000	USD
CY2017	us-gaap	Proceeds From Repurchase Of Equity ProceedsFromRepurchaseOfEquity	1117000000	USD
CY2019	us-gaap	Payments To Acquire Oil And Gas Property And Equipment PaymentsToAcquireOilAndGasPropertyAndEquipment	13839000000	USD
CY2018	us-gaap	Payments To Acquire Oil And Gas Property And Equipment PaymentsToAcquireOilAndGasPropertyAndEquipment	13384000000	USD
CY2017	us-gaap	Payments To Acquire Oil And Gas Property And Equipment PaymentsToAcquireOilAndGasPropertyAndEquipment	13222000000	USD
CY2019	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	140000000	USD
CY2018	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	65000000	USD
CY2017	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	25000000	USD
CY2019	us-gaap	Results Of Operations Dry Hole Costs ResultsOfOperationsDryHoleCosts	124000000	USD
CY2018	us-gaap	Results Of Operations Dry Hole Costs ResultsOfOperationsDryHoleCosts	344000000	USD
CY2017	us-gaap	Results Of Operations Dry Hole Costs ResultsOfOperationsDryHoleCosts	157000000	USD
CY2019	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	-13000000	USD
CY2018	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	1000000	USD
CY2017	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	0	USD
CY2019	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	14116000000	USD
CY2018	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	13792000000	USD
CY2017	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	13404000000	USD
CY2019	us-gaap	Payments To Explore And Develop Oil And Gas Properties PaymentsToExploreAndDevelopOilAndGasProperties	598000000	USD
CY2018	us-gaap	Payments To Explore And Develop Oil And Gas Properties PaymentsToExploreAndDevelopOilAndGasProperties	523000000	USD
CY2017	us-gaap	Payments To Explore And Develop Oil And Gas Properties PaymentsToExploreAndDevelopOilAndGasProperties	666000000	USD
CY2019	us-gaap	Payments To Acquire Equipment On Lease PaymentsToAcquireEquipmentOnLease	181000000	USD
CY2018	us-gaap	Payments To Acquire Equipment On Lease PaymentsToAcquireEquipmentOnLease	75000000	USD
CY2017	us-gaap	Payments To Acquire Equipment On Lease PaymentsToAcquireEquipmentOnLease	8000000	USD
CY2019	cvx	Payments For Other Assets And Liabilities Net PaymentsForOtherAssetsAndLiabilitiesNet	-13000000	USD
CY2018	cvx	Payments For Other Assets And Liabilities Net PaymentsForOtherAssetsAndLiabilitiesNet	0	USD
CY2017	cvx	Payments For Other Assets And Liabilities Net PaymentsForOtherAssetsAndLiabilitiesNet	0	USD
CY2019	cvx	Capital And Exploratory Expenditures Excluding Equity Affiliates CapitalAndExploratoryExpendituresExcludingEquityAffiliates	14882000000	USD
CY2018	cvx	Capital And Exploratory Expenditures Excluding Equity Affiliates CapitalAndExploratoryExpendituresExcludingEquityAffiliates	14390000000	USD
CY2017	cvx	Capital And Exploratory Expenditures Excluding Equity Affiliates CapitalAndExploratoryExpendituresExcludingEquityAffiliates	14078000000	USD
CY2019	cvx	Companys Share Of Expenditures By Equity Affiliates CompanysShareOfExpendituresByEquityAffiliates	6112000000	USD
CY2018	cvx	Companys Share Of Expenditures By Equity Affiliates CompanysShareOfExpendituresByEquityAffiliates	5716000000	USD
CY2017	cvx	Companys Share Of Expenditures By Equity Affiliates CompanysShareOfExpendituresByEquityAffiliates	4743000000	USD
CY2019	cvx	Capital And Exploratory Expenditures Including Equity Affiliates CapitalAndExploratoryExpendituresIncludingEquityAffiliates	20994000000	USD
CY2018	cvx	Capital And Exploratory Expenditures Including Equity Affiliates CapitalAndExploratoryExpendituresIncludingEquityAffiliates	20106000000	USD
CY2017	cvx	Capital And Exploratory Expenditures Including Equity Affiliates CapitalAndExploratoryExpendituresIncludingEquityAffiliates	18821000000	USD
CY2019	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	-239000000	USD
CY2018	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	25000000	USD
CY2017	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	1183000000	USD
CY2019Q4	cvx	Cashand Cash Equivalents Excluding Time Depositsat Carrying Value CashandCashEquivalentsExcludingTimeDepositsatCarryingValue	5686000000	USD
CY2018Q4	cvx	Cashand Cash Equivalents Excluding Time Depositsat Carrying Value CashandCashEquivalentsExcludingTimeDepositsatCarryingValue	9342000000	USD
CY2017Q4	cvx	Cashand Cash Equivalents Excluding Time Depositsat Carrying Value CashandCashEquivalentsExcludingTimeDepositsatCarryingValue	4813000000	USD
CY2019Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	452000000	USD
CY2018Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	341000000	USD
CY2017Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	405000000	USD
CY2019Q4	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	773000000	USD
CY2018Q4	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	798000000	USD
CY2017Q4	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	725000000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	6911000000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	10481000000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	5943000000	USD
CY2019Q4	cvx	Rightofuse Assetsand Lease Liabilities Percent Recognizedfrom Joint Venture RightofuseAssetsandLeaseLiabilitiesPercentRecognizedfromJointVenture	1
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	4074000000	USD
CY2019Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	329000000	USD
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	4074000000	USD
CY2019Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	329000000	USD
CY2019Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	1277000000	USD
CY2019Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	18000000	USD
CY2019Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	1277000000	USD
CY2019Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	18000000	USD
CY2019Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	2608000000	USD
CY2019Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	282000000	USD
CY2019Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	2608000000	USD
CY2019Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	282000000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	3885000000	USD
CY2019Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	300000000	USD
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y2M12D
CY2019Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P16Y
CY2019Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.032
CY2019Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.047
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	1201000000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	184000000	USD
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	2621000000	USD
CY2019	cvx	Finance Lease Cost FinanceLeaseCost	66000000	USD
CY2019	us-gaap	Lease Cost LeaseCost	2687000000	USD
CY2018	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	816000000	USD
CY2017	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	721000000	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	1574000000	USD
CY2019	us-gaap	Operating Lease Payments Use OperatingLeasePaymentsUse	1047000000	USD
CY2019	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	13000000	USD
CY2019	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	24000000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	1374000000	USD
CY2019Q4	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	35000000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	1083000000	USD
CY2019Q4	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	33000000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	546000000	USD
CY2019Q4	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	31000000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	336000000	USD
CY2019Q4	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	31000000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	216000000	USD
CY2019Q4	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	30000000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	696000000	USD
CY2019Q4	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	251000000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	4251000000	USD
CY2019Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	411000000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	366000000	USD
CY2019Q4	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	111000000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	3885000000	USD
CY2019Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	300000000	USD
CY2019	cvx	Lessee Cash Flowsfor Operating Lease Lease Notyet Commenced LesseeCashFlowsforOperatingLeaseLeaseNotyetCommenced	790000000	USD
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CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due Current CapitalLeasesFutureMinimumPaymentsDueCurrent	30000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	492000000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Two Years CapitalLeasesFutureMinimumPaymentsDueInTwoYears	22000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	378000000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Three Years CapitalLeasesFutureMinimumPaymentsDueInThreeYears	17000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	242000000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Four Years CapitalLeasesFutureMinimumPaymentsDueInFourYears	16000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	166000000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Five Years CapitalLeasesFutureMinimumPaymentsDueInFiveYears	16000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	341000000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due Thereafter CapitalLeasesFutureMinimumPaymentsDueThereafter	132000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	2159000000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due CapitalLeasesFutureMinimumPaymentsDue	233000000	USD
CY2018Q4	cvx	Less Amounts Representing Interest And Executory Costs In Future Capital Lease Payments LessAmountsRepresentingInterestAndExecutoryCostsInFutureCapitalLeasePayments	88000000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Present Value Of Net Minimum Payments CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments	145000000	USD
CY2018Q4	us-gaap	Capital Lease Obligations Current CapitalLeaseObligationsCurrent	18000000	USD
CY2018Q4	us-gaap	Capital Lease Obligations Noncurrent CapitalLeaseObligationsNoncurrent	127000000	USD
CY2018Q4	cvx	Lessee Capital Lease Lease Notyet Commenced Next Twelve Months LesseeCapitalLeaseLeaseNotyetCommencedNextTwelveMonths	14000000	USD
CY2018Q4	cvx	Lessee Capital Lease Lease Notyet Commenced Duein Two Years LesseeCapitalLeaseLeaseNotyetCommencedDueinTwoYears	15000000	USD
CY2018Q4	cvx	Lessee Capital Lease Lease Notyet Commenced Duein Three Years LesseeCapitalLeaseLeaseNotyetCommencedDueinThreeYears	22000000	USD
CY2018Q4	cvx	Lessee Capital Lease Lease Notyet Commenced Duein Four Years LesseeCapitalLeaseLeaseNotyetCommencedDueinFourYears	21000000	USD
CY2018Q4	cvx	Lessee Capital Lease Lease Notyet Commenced Duein Five Years LesseeCapitalLeaseLeaseNotyetCommencedDueinFiveYears	21000000	USD
CY2018Q4	cvx	Lessee Capital Lease Lease Notyet Commenced Due Thereafter LesseeCapitalLeaseLeaseNotyetCommencedDueThereafter	219000000	USD
CY2019Q4	cvx	Cashand Cash Equivalents Excluding Time Depositsat Carrying Value CashandCashEquivalentsExcludingTimeDepositsatCarryingValue	5686000000	USD
CY2018Q4	cvx	Cashand Cash Equivalents Excluding Time Depositsat Carrying Value CashandCashEquivalentsExcludingTimeDepositsatCarryingValue	9342000000	USD
CY2019Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	0	USD
CY2018Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	950000000	USD
CY2019Q4	us-gaap	Restricted Investments Current RestrictedInvestmentsCurrent	1225000000	USD
CY2018Q4	us-gaap	Restricted Investments Current RestrictedInvestmentsCurrent	1139000000	USD
CY2019Q4	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Asset At Fair Value DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue	11000000	USD
CY2018Q4	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Asset At Fair Value DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue	283000000	USD
CY2019Q4	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Liability At Fair Value DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue	74000000	USD
CY2018Q4	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Liability At Fair Value DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue	12000000	USD
CY2019	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	-310000000	USD
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CY2017	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	-116000000	USD
CY2019Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	656000000	USD
CY2019Q4	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	645000000	USD
CY2019Q4	us-gaap	Derivative Assets DerivativeAssets	11000000	USD
CY2019Q4	us-gaap	Derivative Asset Not Subject To Master Netting Arrangement Deduction DerivativeAssetNotSubjectToMasterNettingArrangementDeduction	0	USD
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CY2019Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	719000000	USD
CY2019Q4	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	645000000	USD
CY2019Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	74000000	USD
CY2019Q4	us-gaap	Derivative Liability Not Subject To Master Netting Arrangement Deduction DerivativeLiabilityNotSubjectToMasterNettingArrangementDeduction	0	USD
CY2019Q4	us-gaap	Derivative Liability Fair Value Offset Against Collateral Net Of Not Subject To Master Netting Arrangement Policy Election DerivativeLiabilityFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection	74000000	USD
CY2018Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	3685000000	USD
CY2018Q4	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	3402000000	USD
CY2018Q4	us-gaap	Derivative Assets DerivativeAssets	283000000	USD
CY2018Q4	us-gaap	Derivative Asset Not Subject To Master Netting Arrangement Deduction DerivativeAssetNotSubjectToMasterNettingArrangementDeduction	0	USD
CY2018Q4	us-gaap	Derivative Asset Fair Value Offset Against Collateral Net Of Not Subject To Master Netting Arrangement Policy Election DerivativeAssetFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection	283000000	USD
CY2018Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	3414000000	USD
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CY2018Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	12000000	USD
CY2018Q4	us-gaap	Derivative Liability Not Subject To Master Netting Arrangement Deduction DerivativeLiabilityNotSubjectToMasterNettingArrangementDeduction	0	USD
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CY2018Q4	us-gaap	Retained Earnings Undistributed Earnings From Equity Method Investees RetainedEarningsUndistributedEarningsFromEquityMethodInvestees	22362000000	USD
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	688303	shares
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CY2018	us-gaap	Net Income Loss NetIncomeLoss	14824000000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	9195000000	USD
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CY2017	cvx	Weighted Average Number Of Common Shares Outstanding WeightedAverageNumberOfCommonSharesOutstanding	1882000000	shares
CY2019	cvx	Deferred Awards Held As Stock Units DeferredAwardsHeldAsStockUnits	0	shares
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CY2017	cvx	Weighted Average Number Of Common Shares Outstanding WeightedAverageNumberOfCommonSharesOutstanding	1882000000	shares
CY2019	cvx	Deferred Awards Held As Stock Units DeferredAwardsHeldAsStockUnits	0	shares
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CY2017	cvx	Deferred Awards Held As Stock Units DeferredAwardsHeldAsStockUnits	1000000	shares
CY2019	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	13000000	shares
CY2018	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	16000000	shares
CY2017	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	15000000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1895000000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1914000000	shares
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1898000000	shares
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.54
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CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.85
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CY2018	us-gaap	Net Income Loss NetIncomeLoss	14824000000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	9195000000	USD
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CY2018Q4	us-gaap	Goodwill Goodwill	4518000000	USD
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CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2691000000	USD
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CY2019Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	286000000	USD
CY2018Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	285000000	USD
CY2019Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	38688000000	USD
CY2018Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	35546000000	USD
CY2019	us-gaap	Related Party Transaction Other Revenues From Transactions With Related Party RelatedPartyTransactionOtherRevenuesFromTransactionsWithRelatedParty	8006000000	USD
CY2018	us-gaap	Related Party Transaction Other Revenues From Transactions With Related Party RelatedPartyTransactionOtherRevenuesFromTransactionsWithRelatedParty	10378000000	USD
CY2017	us-gaap	Related Party Transaction Other Revenues From Transactions With Related Party RelatedPartyTransactionOtherRevenuesFromTransactionsWithRelatedParty	8165000000	USD
CY2019Q4	cvx	Accounts And Notes Receivable Due From Affiliated Companies AccountsAndNotesReceivableDueFromAffiliatedCompanies	810000000	USD
CY2018Q4	cvx	Accounts And Notes Receivable Due From Affiliated Companies AccountsAndNotesReceivableDueFromAffiliatedCompanies	884000000	USD
CY2019Q4	cvx	Accounts Payable Due To Affiliated Companies AccountsPayableDueToAffiliatedCompanies	506000000	USD
CY2018Q4	cvx	Accounts Payable Due To Affiliated Companies AccountsPayableDueToAffiliatedCompanies	631000000	USD
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CY2018Q4	us-gaap	Due From Affiliates DueFromAffiliates	3402000000	USD
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CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-720000000	USD
CY2018	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	329000000	USD
CY2017	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-708000000	USD
CY2019	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	3857000000	USD
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CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2691000000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5715000000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-48000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-5483000000	USD
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CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-441000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	11019000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	15845000000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	9662000000	USD
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CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	1163000000	USD
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	4321000000	USD
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	3227000000	USD
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CY2019	us-gaap	Income Tax Reconciliation Equity In Earnings Losses Of Unconsolidated Subsidiary IncomeTaxReconciliationEquityInEarningsLossesOfUnconsolidatedSubsidiary	687000000	USD
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CY2019	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	2196000000	USD
CY2018	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	3132000000	USD
CY2017	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-130000000	USD
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-18000000	USD
CY2018	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	162000000	USD
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CY2019	us-gaap	Income Tax Reconciliation Prior Year Income Taxes IncomeTaxReconciliationPriorYearIncomeTaxes	192000000	USD
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CY2019	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	18000000	USD
CY2018	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	163000000	USD
CY2017	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	199000000	USD
CY2019	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-140000000	USD
CY2018	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-134000000	USD
CY2017	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	447000000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2691000000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5715000000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-48000000	USD
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.486
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CY2019Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	17251000000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	20159000000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	5372000000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	4943000000	USD
CY2019Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	22623000000	USD
CY2018Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	25102000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Foreign DeferredTaxAssetsTaxCreditCarryforwardsForeign	9840000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Foreign DeferredTaxAssetsTaxCreditCarryforwardsForeign	10536000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Asset Retirement Obligations DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations	4329000000	USD
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CY2019Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	1083000000	USD
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CY2019Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	5262000000	USD
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CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	595000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	662000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	505000000	USD
CY2019Q4	cvx	Deferred Tax Assets Operating Lease DeferredTaxAssetsOperatingLease	1211000000	USD
CY2018Q4	cvx	Deferred Tax Assets Operating Lease DeferredTaxAssetsOperatingLease	0	USD
CY2019Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	2796000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	3481000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	29078000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	29553000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	15965000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	15973000000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	9510000000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	11522000000	USD
CY2019	cvx	Increase Decreasein Deferred Tax Liabilities IncreaseDecreaseinDeferredTaxLiabilities	-2500000000	USD
CY2019Q4	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	13419000000	USD
CY2019Q4	us-gaap	Tax Credit Carryforward Amount TaxCreditCarryforwardAmount	1058000000	USD
CY2019Q4	cvx	Deferred Tax Assets Tax Credit Carryforwards Foreign Subjectto Expiration DeferredTaxAssetsTaxCreditCarryforwardsForeignSubjecttoExpiration	9840000000	USD
CY2019Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	4178000000	USD
CY2018Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	4399000000	USD
CY2019Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	13688000000	USD
CY2018Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	15921000000	USD
CY2019Q4	cvx	Deferred Income Tax Assets Liabilities Net DeferredIncomeTaxAssetsLiabilitiesNet	-9510000000	USD
CY2018Q4	cvx	Deferred Income Tax Assets Liabilities Net DeferredIncomeTaxAssetsLiabilitiesNet	-11522000000	USD
CY2019Q4	us-gaap	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Existing Undistributed Accumulated Earnings Of Foreign Subsidiary TaxCutsAndJobsActOf2017IncompleteAccountingExistingUndistributedAccumulatedEarningsOfForeignSubsidiary	52500000000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	5070000000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	4828000000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	3031000000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Foreign Currency Translation UnrecognizedTaxBenefitsIncreasesResultingFromForeignCurrencyTranslation	1000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Foreign Currency Translation UnrecognizedTaxBenefitsDecreasesResultingFromForeignCurrencyTranslation	6000000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Foreign Currency Translation UnrecognizedTaxBenefitsIncreasesResultingFromForeignCurrencyTranslation	43000000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	94000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	239000000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	1853000000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	313000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	153000000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	1166000000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	194000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	131000000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	90000000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	78000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	13000000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	1173000000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	219000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	USD
CY2017	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	2000000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	4987000000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	5070000000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	4828000000	USD
CY2019	cvx	Percentage Of Impact Of Unrecognized Tax Benefits On Effective Tax Rate If Subsequently Recognized PercentageOfImpactOfUnrecognizedTaxBenefitsOnEffectiveTaxRateIfSubsequentlyRecognized	0.81
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	4987000000	USD
CY2019Q4	us-gaap	Income Tax Examination Penalties And Interest Accrued IncomeTaxExaminationPenaltiesAndInterestAccrued	30000000	USD
CY2018Q4	us-gaap	Income Tax Examination Penalties And Interest Accrued IncomeTaxExaminationPenaltiesAndInterestAccrued	33000000	USD
CY2019	us-gaap	Income Tax Examination Penalties And Interest Expense IncomeTaxExaminationPenaltiesAndInterestExpense	-3000000	USD
CY2018	us-gaap	Income Tax Examination Penalties And Interest Expense IncomeTaxExaminationPenaltiesAndInterestExpense	8000000	USD
CY2017	us-gaap	Income Tax Examination Penalties And Interest Expense IncomeTaxExaminationPenaltiesAndInterestExpense	-161000000	USD
CY2019	cvx	Taxes Other Than On Income TaxesOtherThanOnIncome	4136000000	USD
CY2018	cvx	Taxes Other Than On Income TaxesOtherThanOnIncome	4867000000	USD
CY2017	cvx	Taxes Other Than On Income TaxesOtherThanOnIncome	12331000000	USD
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CY2018Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	340244000000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	344485000000	USD
CY2019Q4	cvx	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	150494000000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	169207000000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	177712000000	USD
CY2019	us-gaap	Property Plant And Equipment Additions PropertyPlantAndEquipmentAdditions	13555000000	USD
CY2018	us-gaap	Property Plant And Equipment Additions PropertyPlantAndEquipmentAdditions	13066000000	USD
CY2017	us-gaap	Property Plant And Equipment Additions PropertyPlantAndEquipmentAdditions	14364000000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	29218000000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	19419000000	USD
CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	19349000000	USD
CY2019	cvx	Dry Hole Expense Related To Prior Year Net DryHoleExpenseRelatedToPriorYearNet	124000000	USD
CY2018	cvx	Dry Hole Expense Related To Prior Year Net DryHoleExpenseRelatedToPriorYearNet	343000000	USD
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CY2019	us-gaap	Accretion Expense AccretionExpense	628000000	USD
CY2018	us-gaap	Accretion Expense AccretionExpense	654000000	USD
CY2017	us-gaap	Accretion Expense AccretionExpense	668000000	USD
CY2019	us-gaap	Asset Impairment Charges AssetImpairmentCharges	10797000000	USD
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CY2017	us-gaap	Asset Impairment Charges AssetImpairmentCharges	1021000000	USD
CY2019Q4	us-gaap	Commercial Paper CommercialPaper	4654000000	USD
CY2018Q4	us-gaap	Commercial Paper CommercialPaper	7503000000	USD
CY2019Q4	us-gaap	Short Term Bank Loans And Notes Payable ShortTermBankLoansAndNotesPayable	228000000	USD
CY2018Q4	us-gaap	Short Term Bank Loans And Notes Payable ShortTermBankLoansAndNotesPayable	28000000	USD
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CY2018Q4	cvx	Longterm Debt Current Maturities Netof Unamortized Discountsand Issuance Costs LongtermDebtCurrentMaturitiesNetofUnamortizedDiscountsandIssuanceCosts	4999000000	USD
CY2019Q4	cvx	Current Maturitiesof Long Term Finance Leases CurrentMaturitiesofLongTermFinanceLeases	18000000	USD
CY2018Q4	cvx	Current Maturities Of Long Term Capital Leases CurrentMaturitiesOfLongTermCapitalLeases	18000000	USD
CY2019Q4	cvx	Redeemable Long Term Debt RedeemableLongTermDebt	3078000000	USD
CY2018Q4	cvx	Redeemable Long Term Debt RedeemableLongTermDebt	3078000000	USD
CY2019Q4	us-gaap	Debt Current DebtCurrent	13032000000	USD
CY2018Q4	us-gaap	Debt Current DebtCurrent	15626000000	USD
CY2019	us-gaap	Short Term Debt Refinanced Amount ShortTermDebtRefinancedAmount	9750000000	USD
CY2018	us-gaap	Short Term Debt Refinanced Amount ShortTermDebtRefinancedAmount	9900000000	USD
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CY2018Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	5726000000	USD
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CY2018	us-gaap	Short Term Debt Refinanced Amount ShortTermDebtRefinancedAmount	9900000000	USD
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CY2018	us-gaap	Capitalized Exploratory Well Cost Additions Pending Determination Of Proved Reserves CapitalizedExploratoryWellCostAdditionsPendingDeterminationOfProvedReserves	207000000	USD
CY2017	us-gaap	Capitalized Exploratory Well Cost Additions Pending Determination Of Proved Reserves CapitalizedExploratoryWellCostAdditionsPendingDeterminationOfProvedReserves	323000000	USD
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CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	23691000000	USD
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CY2018Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	23730000000	USD
CY2019Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	5054000000	USD
CY2018Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	5000000000	USD
CY2019	us-gaap	Short Term Debt Refinanced Amount ShortTermDebtRefinancedAmount	9750000000	USD
CY2018	us-gaap	Short Term Debt Refinanced Amount ShortTermDebtRefinancedAmount	9900000000	USD
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CY2019Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	282000000	USD
CY2018Q4	us-gaap	Capital Lease Obligations CapitalLeaseObligations	127000000	USD
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	23691000000	USD
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	28733000000	USD
CY2019Q4	us-gaap	Long Term Debt LongTermDebt	18730000000	USD
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CY2019Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	4268000000	USD
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CY2018Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	3563000000	USD
CY2017Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	3702000000	USD
CY2018	us-gaap	Reclassification To Well Facilities And Equipment Based On Determination Of Proved Reserves ReclassificationToWellFacilitiesAndEquipmentBasedOnDeterminationOfProvedReserves	13000000	USD
CY2017	us-gaap	Reclassification To Well Facilities And Equipment Based On Determination Of Proved Reserves ReclassificationToWellFacilitiesAndEquipmentBasedOnDeterminationOfProvedReserves	113000000	USD
CY2019	us-gaap	Capitalized Exploratory Well Cost Charged To Expense1 CapitalizedExploratoryWellCostChargedToExpense1	125000000	USD
CY2018	us-gaap	Capitalized Exploratory Well Cost Charged To Expense1 CapitalizedExploratoryWellCostChargedToExpense1	333000000	USD
CY2017	us-gaap	Capitalized Exploratory Well Cost Charged To Expense1 CapitalizedExploratoryWellCostChargedToExpense1	39000000	USD
CY2019	cvx	Capitalized Exploratory Well Cost Other Deductions In Property Sales CapitalizedExploratoryWellCostOtherDeductionsInPropertySales	141000000	USD
CY2018	cvx	Capitalized Exploratory Well Cost Other Deductions In Property Sales CapitalizedExploratoryWellCostOtherDeductionsInPropertySales	0	USD
CY2017	cvx	Capitalized Exploratory Well Cost Other Deductions In Property Sales CapitalizedExploratoryWellCostOtherDeductionsInPropertySales	9000000	USD
CY2019Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	3041000000	USD
CY2018Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	3563000000	USD
CY2017Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	3702000000	USD
CY2019Q4	us-gaap	Capitalized Exploratory Well Costs That Have Been Capitalized For Period Of One Year Or Less CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodOfOneYearOrLess	214000000	USD
CY2018Q4	us-gaap	Capitalized Exploratory Well Costs That Have Been Capitalized For Period Of One Year Or Less CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodOfOneYearOrLess	202000000	USD
CY2017Q4	us-gaap	Capitalized Exploratory Well Costs That Have Been Capitalized For Period Of One Year Or Less CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodOfOneYearOrLess	307000000	USD
CY2019Q4	us-gaap	Capitalized Exploratory Well Costs That Have Been Capitalized For Period Greater Than One Year CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear	2827000000	USD
CY2018Q4	us-gaap	Capitalized Exploratory Well Costs That Have Been Capitalized For Period Greater Than One Year CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear	3361000000	USD
CY2017Q4	us-gaap	Capitalized Exploratory Well Costs That Have Been Capitalized For Period Greater Than One Year CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear	3395000000	USD
CY2019Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	3041000000	USD
CY2018Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	3563000000	USD
CY2017Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	3702000000	USD
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CY2019Q4	us-gaap	Projects That Have Exploratory Well Costs That Have Been Capitalized For Period Greater Than One Year ProjectsThatHaveExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear	22	Project
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CY2019Q4	us-gaap	Capitalized Exploratory Well Costs That Have Been Capitalized For Period Greater Than One Year CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear	2827000000	USD
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CY2019Q4	us-gaap	Projects That Have Exploratory Well Costs That Have Been Capitalized For Period Greater Than One Year ProjectsThatHaveExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear	22	Project
CY2019Q4	us-gaap	Capitalized Exploratory Well Costs That Have Been Capitalized For Period Greater Than One Year CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear	2827000000	USD
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CY2019Q4	us-gaap	Capitalized Exploratory Well Costs That Have Been Capitalized For Period Greater Than One Year CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear	2827000000	USD
CY2019Q4	us-gaap	Projects That Have Exploratory Well Costs That Have Been Capitalized For Period Greater Than One Year ProjectsThatHaveExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear	22	Project
CY2019	us-gaap	Stock Option Plan Expense StockOptionPlanExpense	81000000	USD
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CY2019	cvx	After Tax Compensation Expense For Stock Appreciation Rights Restricted Stock Performance Units And Restricted Stock Units AfterTaxCompensationExpenseForStockAppreciationRightsRestrictedStockPerformanceUnitsAndRestrictedStockUnits	266000000	USD
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CY2018	cvx	After Tax Compensation Expense For Stock Appreciation Rights Restricted Stock Performance Units And Restricted Stock Units AfterTaxCompensationExpenseForStockAppreciationRightsRestrictedStockPerformanceUnitsAndRestrictedStockUnits	47000000	USD
CY2017	cvx	Compensation Expense For Stock Appreciation Rights Restricted Stock Performance Units And Restricted Stock Units CompensationExpenseForStockAppreciationRightsRestrictedStockPerformanceUnitsAndRestrictedStockUnits	231000000	USD
CY2017	cvx	After Tax Compensation Expense For Stock Appreciation Rights Restricted Stock Performance Units And Restricted Stock Units AfterTaxCompensationExpenseForStockAppreciationRightsRestrictedStockPerformanceUnitsAndRestrictedStockUnits	150000000	USD
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	1090000000	USD
CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	1159000000	USD
CY2017	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	1100000000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions	43000000	USD
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CY2017	us-gaap	Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions	48000000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Cash Flow Effect Cash Used To Settle Awards EmployeeServiceShareBasedCompensationCashFlowEffectCashUsedToSettleAwards	119000000	USD
CY2018	us-gaap	Employee Service Share Based Compensation Cash Flow Effect Cash Used To Settle Awards EmployeeServiceShareBasedCompensationCashFlowEffectCashUsedToSettleAwards	157000000	USD
CY2017	us-gaap	Employee Service Share Based Compensation Cash Flow Effect Cash Used To Settle Awards EmployeeServiceShareBasedCompensationCashFlowEffectCashUsedToSettleAwards	187000000	USD
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CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	18.18
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	15.31
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	94724000	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	99.92
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	5771000	shares
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CY2019	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	13190000	shares
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CY2017Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	14214000000	USD
CY2019Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	12832000000	USD
CY2019Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	11592000000	USD
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	103.22
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CY2019Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	1474000000	USD
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	516000000	USD
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	506000000	USD
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	407000000	USD
CY2019Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	55000000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P1Y9M18D
CY2019	cvx	Maximum Annual Increase Percentage To Company Contribution For Retiree Medical Coverage MaximumAnnualIncreasePercentageToCompanyContributionForRetireeMedicalCoverage	0.04
CY2019Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	6357000000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	4448000000	USD
CY2019Q4	cvx	Higher Percentage Of Projected Benefit Obligation Or Market Related Value Of Plan Assets Of Which Losses Are Amortized HigherPercentageOfProjectedBenefitObligationOrMarketRelatedValueOfPlanAssetsOfWhichLossesAreAmortized	0.10
CY2019Q4	us-gaap	Defined Benefit Plan Health Care Cost Trend Rate Assumed Next Fiscal Year DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear	0.068
CY2019Q4	us-gaap	Defined Benefit Plan Ultimate Health Care Cost Trend Rate1 DefinedBenefitPlanUltimateHealthCareCostTrendRate1	0.045
CY2018Q4	us-gaap	Defined Benefit Plan Health Care Cost Trend Rate Assumed Next Fiscal Year DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear	0.072
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CY2019	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Increase On Service And Interest Cost Components DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents	20000000	USD
CY2019	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Decrease On Service And Interest Cost Components1 DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1	15000000	USD
CY2019	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Increase On Accumulated Postretirement Benefit Obligation DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation	224000000	USD
CY2019	us-gaap	Defined Benefit Plan Effect Of One Percentage Point Decrease On Accumulated Postretirement Benefit Obligation1 DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1	176000000	USD
CY2019	cvx	Companys Pension Plans As Percentage Of Pension Assets CompanysPensionPlansAsPercentageOfPensionAssets	0.92
CY2019Q4	cvx	Number Of Treasury Stocks Held In Benefit Plan Trust For Funding Obligations NumberOfTreasuryStocksHeldInBenefitPlanTrustForFundingObligations	14200000	shares
CY2019Q4	cvx	Various Grantor Trust Assets Invested Primarily In Interest Earning Accounts VariousGrantorTrustAssetsInvestedPrimarilyInInterestEarningAccounts	35000000	USD
CY2018Q4	cvx	Various Grantor Trust Assets Invested Primarily In Interest Earning Accounts VariousGrantorTrustAssetsInvestedPrimarilyInInterestEarningAccounts	34000000	USD
CY2019	cvx	Charges To Expense For Cash Bonuses ChargesToExpenseForCashBonuses	826000000	USD
CY2018	cvx	Charges To Expense For Cash Bonuses ChargesToExpenseForCashBonuses	1048000000	USD
CY2017	cvx	Charges To Expense For Cash Bonuses ChargesToExpenseForCashBonuses	936000000	USD
CY2019Q4	cvx	Numberof Guarantees NumberofGuarantees	2	guaranty
CY2019Q4	us-gaap	Guarantee Obligations Current Carrying Value GuaranteeObligationsCurrentCarryingValue	704000000	USD
CY2009Q4	cvx	Indemnifications Acquired Company Environ Liabilities Max Obligation IndemnificationsAcquiredCompanyEnvironLiabilitiesMaxObligation	200000000	USD
CY2009Q4	cvx	Indemnifications Acquired Company Environ Liabilities Max Obligation IndemnificationsAcquiredCompanyEnvironLiabilitiesMaxObligation	200000000	USD
CY2019Q4	us-gaap	Recorded Unconditional Purchase Obligation Due Within One Year RecordedUnconditionalPurchaseObligationDueWithinOneYear	900000000	USD
CY2019Q4	us-gaap	Recorded Unconditional Purchase Obligation Due In Second Year RecordedUnconditionalPurchaseObligationDueInSecondYear	1100000000	USD
CY2019Q4	us-gaap	Recorded Unconditional Purchase Obligation Due In Third Year RecordedUnconditionalPurchaseObligationDueInThirdYear	1100000000	USD
CY2019Q4	us-gaap	Recorded Unconditional Purchase Obligation Due In Fourth Year RecordedUnconditionalPurchaseObligationDueInFourthYear	1200000000	USD
CY2019Q4	us-gaap	Recorded Unconditional Purchase Obligation Due In Fifth Year RecordedUnconditionalPurchaseObligationDueInFifthYear	1200000000	USD
CY2019Q4	us-gaap	Recorded Unconditional Purchase Obligation Due After Fifth Year RecordedUnconditionalPurchaseObligationDueAfterFifthYear	7200000000	USD
CY2019	cvx	Payments Made Under Long Term Unconditional Purchase Obligations And Commitments Including Throughput And Take Or Pay Agreements PaymentsMadeUnderLongTermUnconditionalPurchaseObligationsAndCommitmentsIncludingThroughputAndTakeOrPayAgreements	800000000	USD
CY2018	cvx	Payments Made Under Long Term Unconditional Purchase Obligations And Commitments Including Throughput And Take Or Pay Agreements PaymentsMadeUnderLongTermUnconditionalPurchaseObligationsAndCommitmentsIncludingThroughputAndTakeOrPayAgreements	1400000000	USD
CY2017	cvx	Payments Made Under Long Term Unconditional Purchase Obligations And Commitments Including Throughput And Take Or Pay Agreements PaymentsMadeUnderLongTermUnconditionalPurchaseObligationsAndCommitmentsIncludingThroughputAndTakeOrPayAgreements	1300000000	USD
CY2019Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	1234000000	USD
CY2019Q4	cvx	Sites With Potential Remediation Activities SitesWithPotentialRemediationActivities	145	Location
CY2018Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	14050000000	USD
CY2017Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	14214000000	USD
CY2016Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	14243000000	USD
CY2019	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	32000000	USD
CY2018	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	96000000	USD
CY2017	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	684000000	USD
CY2019	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	1694000000	USD
CY2018	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	830000000	USD
CY2017	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	1721000000	USD
CY2019	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	628000000	USD
CY2018	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	654000000	USD
CY2017	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	668000000	USD
CY2019	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	-184000000	USD
CY2018	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	-84000000	USD
CY2017	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	340000000	USD
CY2019Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	12832000000	USD
CY2018Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	14050000000	USD
CY2019Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	9247000000	USD
CY2018Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	10046000000	USD
CY2019	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	1500000000	USD
CY2018	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	630000000	USD
CY2019	us-gaap	Interest Costs Incurred InterestCostsIncurred	817000000	USD
CY2018	us-gaap	Interest Costs Incurred InterestCostsIncurred	921000000	USD
CY2017	us-gaap	Interest Costs Incurred InterestCostsIncurred	902000000	USD
CY2019	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	19000000	USD
CY2018	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	173000000	USD
CY2017	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	595000000	USD
CY2019	us-gaap	Interest Expense Debt InterestExpenseDebt	798000000	USD
CY2018	us-gaap	Interest Expense Debt InterestExpenseDebt	748000000	USD
CY2017	us-gaap	Interest Expense Debt InterestExpenseDebt	307000000	USD
CY2019	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	500000000	USD
CY2018	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	453000000	USD
CY2017	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	433000000	USD
CY2019Q4	us-gaap	Excess Of Replacement Or Current Costs Over Stated Lifo Value ExcessOfReplacementOrCurrentCostsOverStatedLIFOValue	4513000000	USD
CY2018Q4	us-gaap	Excess Of Replacement Or Current Costs Over Stated Lifo Value ExcessOfReplacementOrCurrentCostsOverStatedLIFOValue	5134000000	USD
CY2017Q4	us-gaap	Excess Of Replacement Or Current Costs Over Stated Lifo Value ExcessOfReplacementOrCurrentCostsOverStatedLIFOValue	3937000000	USD
CY2019	us-gaap	Effect Of Lifo Inventory Liquidation On Income EffectOfLIFOInventoryLiquidationOnIncome	-9000000	USD
CY2018	us-gaap	Effect Of Lifo Inventory Liquidation On Income EffectOfLIFOInventoryLiquidationOnIncome	26000000	USD
CY2017	us-gaap	Effect Of Lifo Inventory Liquidation On Income EffectOfLIFOInventoryLiquidationOnIncome	-5000000	USD
CY2019	cvx	Foreign Currency Effects ForeignCurrencyEffects	-304000000	USD
CY2018	cvx	Foreign Currency Effects ForeignCurrencyEffects	611000000	USD
CY2017	cvx	Foreign Currency Effects ForeignCurrencyEffects	-446000000	USD
CY2019	cvx	Company Share Of Equity Affiliates Foreign Currency Effects CompanyShareOfEquityAffiliatesForeignCurrencyEffects	-28000000	USD
CY2018	cvx	Company Share Of Equity Affiliates Foreign Currency Effects CompanyShareOfEquityAffiliatesForeignCurrencyEffects	416000000	USD
CY2017	cvx	Company Share Of Equity Affiliates Foreign Currency Effects CompanyShareOfEquityAffiliatesForeignCurrencyEffects	-45000000	USD

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$CVX
CHEVRON CORP Stock $cvx

2018 Q4 Form 10-K Financial Statement

#000009341020000010 Filed on February 21, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CVX CHEVRON CORP Stock $cvx

2018 Q4 Form 10-K Financial Statement

#000009341020000010 Filed on February 21, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CVX
CHEVRON CORP Stock $cvx