$GM
General Motors Co Stock $gm

$gm Overview Financials Valuation SEC Filings Company Website

2018 Q1 Form 10-K Financial Statement

#000146785819000033 Filed on February 06, 2019

Income Statement

Concept	2018 Q1	2018	2017 Q4
Revenue	$36.10B	$147.0B	$37.72B
YoY Change	-3.13%	1.0%	-5.47%
Cost Of Revenue	$30.18B	$120.7B	$34.06B
YoY Change	1.42%	3.81%	-3.14%
Gross Profit	$5.915B	$26.39B	$3.652B
YoY Change	-21.19%	-10.1%	-22.74%
Gross Profit Margin	16.39%	17.95%	9.68%
Selling, General & Admin	$2.372B	$9.650B	$2.429B
YoY Change	0.68%	0.84%	-18.38%
% of Gross Profit	40.1%	36.56%	66.51%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$3.097B	$13.14B	$3.177B
YoY Change	13.78%	9.82%	17.93%
% of Gross Profit	52.36%	49.79%	86.99%
Operating Expenses	$35.57B	$142.6B	$2.429B
YoY Change	1409.76%	4.15%	-18.38%
Operating Profit	$529.0M	$4.445B	$1.223B
YoY Change	-79.52%	-48.68%	-30.15%
Interest Expense	$626.0M	$3.880B	$1.770B
YoY Change	-29.66%	23.53%	295.97%
% of Operating Profit	118.34%	87.29%	144.73%
Other Income/Expense, Net	$549.0M	$2.596B
YoY Change	13.9%	57.81%
Pretax Income	$1.576B	$8.549B	$2.993B
YoY Change	-54.62%	-27.94%	36.17%
Income Tax	$466.0M	$474.0M	$596.0M
% Of Pretax Income	29.57%	5.54%	19.91%
Net Earnings	$1.046B	$8.014B	-$5.151B
YoY Change	-59.89%	-307.4%	-380.71%
Net Earnings / Revenue	2.9%	5.45%	-13.66%
Basic Earnings Per Share	$0.73	$5.61
Diluted Earnings Per Share	$0.72	$5.53	-$3.651M
COMMON SHARES
Basic Shares Outstanding	1.408B shares	1.411B shares	1.420B shares
Diluted Shares Outstanding	1.430B shares	1.431B shares

Balance Sheet

Concept	2018 Q1	2018	2017 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$21.37B	$26.81B	$23.83B
YoY Change	-7.6%	12.53%	-2.42%
Cash & Equivalents	$14.26B	$20.84B	$15.51B
Short-Term Investments	$7.110B	$5.966B	$8.313B
Other Short-Term Assets	$5.893B	$5.268B	$4.465B
YoY Change	25.28%	-5.44%	22.9%
Inventory	$11.46B	$9.816B	$10.66B
Prepaid Expenses
Receivables	$10.77B	$6.549B	$8.164B
Other Receivables	$21.16B	$26.85B	$20.52B
Total Short-Term Assets	$71.44B	$75.29B	$68.74B
YoY Change	-10.26%	9.53%	-9.79%
LONG-TERM ASSETS
Property, Plant & Equipment	$37.32B	$82.32B	$36.25B
YoY Change	0.32%	4.02%	11.2%
Goodwill			$1.900B
YoY Change			0.0%
Intangibles
YoY Change
Long-Term Investments	$9.883B	$9.215B	$9.073B
YoY Change	4.96%	1.57%	0.86%
Other Assets	$5.366B	$29.85B	$4.929B
YoY Change	25.4%	4.84%	28.06%
Total Long-Term Assets	$147.3B	$152.0B	$143.7B
YoY Change	-2.58%	5.78%	-1.2%
TOTAL ASSETS
Total Short-Term Assets	$71.44B	$75.29B	$68.74B
Total Long-Term Assets	$147.3B	$152.0B	$143.7B
Total Assets	$218.7B	$227.3B	$212.5B
YoY Change	-5.23%	6.99%	-4.15%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$26.04B	$22.30B	$23.93B
YoY Change	-9.35%	-6.82%	2.55%
Accrued Expenses	$28.32B	$24.14B	$26.00B
YoY Change	-0.54%	17.85%	0.4%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$29.35B	$31.89B	$26.97B
YoY Change	-12.92%	18.27%	13.31%
Total Short-Term Liabilities	$82.72B	$82.24B	$76.89B
YoY Change	-9.01%	6.95%	-9.73%
LONG-TERM LIABILITIES
Long-Term Debt	$69.47B	$73.06B	$67.25B
YoY Change	21.45%	8.63%	31.03%
Other Long-Term Liabilities	$12.16B	$29.27B	$12.39B
YoY Change	-6.96%	-8.94%	-0.17%
Total Long-Term Liabilities	$100.6B	$102.3B	$99.39B
YoY Change	7.34%	2.95%	7.53%
TOTAL LIABILITIES
Total Short-Term Liabilities	$82.72B	$82.24B	$76.89B
Total Long-Term Liabilities	$100.6B	$102.3B	$99.39B
Total Liabilities	$183.3B	$188.5B	$176.3B
YoY Change	-0.71%	6.2%	-0.75%
SHAREHOLDERS EQUITY
Retained Earnings	$16.58B		$17.63B
YoY Change	-41.19%		-32.64%
Common Stock	$14.00M		$14.00M
YoY Change	-6.67%		-6.67%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$34.30B	$38.86B	$35.00B
YoY Change
Total Liabilities & Shareholders Equity	$218.7B	$227.3B	$212.5B
YoY Change	-5.23%	6.99%	-4.15%

Cashflow Statement

Concept	2018 Q1	2018	2017 Q4
OPERATING ACTIVITIES
Net Income	$1.046B	$8.014B	-$5.151B
YoY Change	-59.89%	-307.4%	-380.71%
Depreciation, Depletion And Amortization	$3.097B	$13.14B	$3.177B
YoY Change	13.78%	9.82%	17.93%
Cash From Operating Activities	$448.0M	$15.26B	$6.888B
YoY Change	-78.05%	-11.96%	71.43%
INVESTING ACTIVITIES
Capital Expenditures	$2.272B	$8.761B	-$6.471B
YoY Change	31.33%	3.64%	-5.09%
Acquisitions		$83.00M
YoY Change		102.44%
Other Investing Activities	$40.00M	-$39.00M	$1.660B
YoY Change	-4100.0%	-71.53%	-134.4%
Cash From Investing Activities	-$4.562B	-$20.76B	-$4.811B
YoY Change	-32.96%	-24.7%	-58.68%
FINANCING ACTIVITIES
Cash Dividend Paid	$566.0M	$2.242B
YoY Change	-1.22%	0.4%
Common Stock Issuance & Retirement, Net	$100.0M	$190.0M
YoY Change		-95.77%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	$3.769B	$11.45B	-95.00M
YoY Change	-25.32%	-8.98%	-101.93%
NET CHANGE
Cash From Operating Activities	$448.0M	$15.26B	6.888B
Cash From Investing Activities	-$4.562B	-$20.76B	-4.811B
Cash From Financing Activities	$3.769B	$11.45B	-95.00M
Net Change In Cash	-$301.0M	$5.648B	1.982B
YoY Change	-177.98%	110.12%	-173.57%
FREE CASH FLOW
Cash From Operating Activities	$448.0M	$15.26B	$6.888B
Capital Expenditures	$2.272B	$8.761B	-$6.471B
Free Cash Flow	-$1.824B	$6.495B	$13.36B
YoY Change	-686.5%	-26.82%	23.28%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2018	dei	Amendment Flag AmendmentFlag	false
CY2018	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2018	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2018	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2018
CY2018	dei	Document Period End Date DocumentPeriodEndDate	2018-12-31
CY2018	dei	Document Type DocumentType	10-K
CY2018	dei	Entity Central Index Key EntityCentralIndexKey	0001467858
CY2019Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	1409478926	shares
CY2018	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2018	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2018	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2018Q2	dei	Entity Public Float EntityPublicFloat	55500000000	USD
CY2018	dei	Entity Registrant Name EntityRegistrantName	GENERAL MOTORS COMPANY
CY2018	dei	Entity Shell Company EntityShellCompany	false
CY2018	dei	Entity Small Business EntitySmallBusiness	false
CY2018	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2018	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2017Q4	gm	Accrued Employee Benefits Noncurrent AccruedEmployeeBenefitsNoncurrent	680000000	USD
CY2018Q4	gm	Accrued Employee Benefits Noncurrent AccruedEmployeeBenefitsNoncurrent	658000000	USD
CY2017Q4	gm	Accrued Payroll And Employee Benefits Current AccruedPayrollAndEmployeeBenefitsCurrent	2594000000	USD
CY2018Q4	gm	Accrued Payroll And Employee Benefits Current AccruedPayrollAndEmployeeBenefitsCurrent	2233000000	USD
CY2016	gm	Adjustments Adjustments	-300000000	USD
CY2017	gm	Adjustments Adjustments	-654000000	USD
CY2018	gm	Adjustments Adjustments	-2905000000	USD
CY2017Q4	gm	Assets Subjecttoor Availablefor Operating Lease Net Current AssetsSubjecttoorAvailableforOperatingLeaseNetCurrent	1106000000	USD
CY2018Q4	gm	Assets Subjecttoor Availablefor Operating Lease Net Current AssetsSubjecttoorAvailableforOperatingLeaseNetCurrent	247000000	USD
CY2016	gm	Automotive Interest Expense AutomotiveInterestExpense	563000000	USD
CY2017	gm	Automotive Interest Expense AutomotiveInterestExpense	575000000	USD
CY2018	gm	Automotive Interest Expense AutomotiveInterestExpense	655000000	USD
CY2017Q4	gm	Basis Differences Resultingfrom Indefinitely Reinvested Earnings BasisDifferencesResultingfromIndefinitelyReinvestedEarnings	2800000000	USD
CY2018Q4	gm	Basis Differences Resultingfrom Indefinitely Reinvested Earnings BasisDifferencesResultingfromIndefinitelyReinvestedEarnings	2900000000	USD
CY2018Q4	gm	Common Stock Voting Rights Numberof Votesper Share CommonStockVotingRightsNumberofVotesperShare	1	Votes
CY2017Q4	gm	Credit Card Programs Available Rebate CreditCardProgramsAvailableRebate	1500000000	USD
CY2018Q4	gm	Credit Card Programs Available Rebate CreditCardProgramsAvailableRebate	1400000000	USD
CY2017Q4	gm	Dealer And Customer Allowances And Claims And Discounts Current DealerAndCustomerAllowancesAndClaimsAndDiscountsCurrent	8523000000	USD
CY2018Q4	gm	Dealer And Customer Allowances And Claims And Discounts Current DealerAndCustomerAllowancesAndClaimsAndDiscountsCurrent	11611000000	USD
CY2017	gm	Debt Instrument Reclassificationof Debtfrom Longterm Debtto Shortterm Amount DebtInstrumentReclassificationofDebtfromLongtermDebttoShorttermAmount	1500000000	USD
CY2017Q4	gm	Deferred Tax Assets Warranties Allowances Claims Discounts DeferredTaxAssetsWarrantiesAllowancesClaimsDiscounts	5675000000	USD
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CY2017	gm	Effective Income Tax Rate Reconciliation Effectof Tax Cutsand Jobs Actof2017 Incomplete Accounting Adjustment Amount EffectiveIncomeTaxRateReconciliationEffectofTaxCutsandJobsActof2017IncompleteAccountingAdjustmentAmount	7300000000	USD
CY2016	gm	Defined Benefit Plan Net Periodic Benefit Expense Income Excluding Service Cost DefinedBenefitPlanNetPeriodicBenefitExpenseIncomeExcludingServiceCost	1300000000	USD
CY2017	gm	Defined Benefit Plan Net Periodic Benefit Expense Income Excluding Service Cost DefinedBenefitPlanNetPeriodicBenefitExpenseIncomeExcludingServiceCost	1300000000	USD
CY2018	gm	Defined Benefit Plan Net Periodic Benefit Expense Income Excluding Service Cost DefinedBenefitPlanNetPeriodicBenefitExpenseIncomeExcludingServiceCost	1700000000	USD
CY2016	gm	Depreciationamortizationandimpairmentcharges Depreciationamortizationandimpairmentcharges	5015000000	USD
CY2017	gm	Depreciationamortizationandimpairmentcharges Depreciationamortizationandimpairmentcharges	5456000000	USD
CY2018	gm	Depreciationamortizationandimpairmentcharges Depreciationamortizationandimpairmentcharges	6065000000	USD
CY2016	gm	Depreciationand Impairmentof Equipmenton Operating Leases Net DepreciationandImpairmentofEquipmentonOperatingLeasesNet	4804000000	USD
CY2017	gm	Depreciationand Impairmentof Equipmenton Operating Leases Net DepreciationandImpairmentofEquipmentonOperatingLeasesNet	6805000000	USD
CY2018	gm	Depreciationand Impairmentof Equipmenton Operating Leases Net DepreciationandImpairmentofEquipmentonOperatingLeasesNet	7604000000	USD
CY2016	gm	Earningslossbeforeautomotiveinterestandtaxesadjusted Earningslossbeforeautomotiveinterestandtaxesadjusted	12848000000	USD
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CY2016	gm	Effective Income Tax Rate Reconcilation Tax Credit Reversal Amount EffectiveIncomeTaxRateReconcilationTaxCreditReversalAmount	342000000	USD
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CY2018	gm	Effective Income Tax Rate Reconcilation Tax Credit Reversal Amount EffectiveIncomeTaxRateReconcilationTaxCreditReversalAmount	695000000	USD
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CY2016	gm	Effective Income Tax Rate Reconciliation Other Adjustments Capital Loss Expiration EffectiveIncomeTaxRateReconciliationOtherAdjustmentsCapitalLossExpiration	0	USD
CY2017	gm	Effective Income Tax Rate Reconciliation Other Adjustments Capital Loss Expiration EffectiveIncomeTaxRateReconciliationOtherAdjustmentsCapitalLossExpiration	0	USD
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CY2016	gm	Effective Income Tax Rate Reconciliation Realizationof Basis Differencesin Affiliates Amount EffectiveIncomeTaxRateReconciliationRealizationofBasisDifferencesinAffiliatesAmount	-94000000	USD
CY2017	gm	Effective Income Tax Rate Reconciliation Realizationof Basis Differencesin Affiliates Amount EffectiveIncomeTaxRateReconciliationRealizationofBasisDifferencesinAffiliatesAmount	0	USD
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CY2016	gm	Foreign Currency Remeasurementand Transaction Gains Losses ForeignCurrencyRemeasurementandTransactionGainsLosses	-229000000	USD
CY2017	gm	Foreign Currency Remeasurementand Transaction Gains Losses ForeignCurrencyRemeasurementandTransactionGainsLosses	-52000000	USD
CY2018	gm	Foreign Currency Remeasurementand Transaction Gains Losses ForeignCurrencyRemeasurementandTransactionGainsLosses	-168000000	USD
CY2016	gm	Increase Decreasein Asset Subject To Or Available For Operating Lease Net Current IncreaseDecreaseinAssetSubjectToOrAvailableForOperatingLeaseNetCurrent	-785000000	USD
CY2017	gm	Increase Decreasein Asset Subject To Or Available For Operating Lease Net Current IncreaseDecreaseinAssetSubjectToOrAvailableForOperatingLeaseNetCurrent	263000000	USD
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CY2016	gm	Increasedecreaseinpurchasesofwholesalereceivablesnet Increasedecreaseinpurchasesofwholesalereceivablesnet	2184000000	USD
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CY2016	gm	Licensing Income Nonoperating LicensingIncomeNonoperating	94000000	USD
CY2017	gm	Licensing Income Nonoperating LicensingIncomeNonoperating	74000000	USD
CY2018	gm	Licensing Income Nonoperating LicensingIncomeNonoperating	296000000	USD
CY2018	gm	Maximummaturityperiodforhighlyliquidsecurities Maximummaturityperiodforhighlyliquidsecurities	P90D
CY2018	gm	Minimum Percentage Threshold To Recognize The Tax Benefit For Uncertain Tax Positions MinimumPercentageThresholdToRecognizeTheTaxBenefitForUncertainTaxPositions	0.50
CY2018Q2	gm	Numberof Credit Facilities NumberofCreditFacilities	2	credit_faciliy
CY2018Q2	gm	Numberof New Credit Facilities NumberofNewCreditFacilities	1	credit_faciliy
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CY2018Q4	gm	Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals Due In Four Years OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsDueInFourYears	38000000	USD
CY2018Q4	gm	Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals Due In Three Years OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsDueInThreeYears	44000000	USD
CY2018Q4	gm	Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals Due In Two Years OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsDueInTwoYears	51000000	USD
CY2018Q4	gm	Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals Due Thereafter OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsDueThereafter	129000000	USD
CY2018Q4	gm	Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals Next Twelve Months OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsNextTwelveMonths	61000000	USD
CY2018Q4	gm	Operating Leases Future Minimum Payments Net Of Sublease Rentals OperatingLeasesFutureMinimumPaymentsNetOfSubleaseRentals	1381000000	USD
CY2018Q4	gm	Operating Leases Future Minimum Payments Net Of Sublease Rentals Due Thereafter OperatingLeasesFutureMinimumPaymentsNetOfSubleaseRentalsDueThereafter	453000000	USD
CY2018Q4	gm	Operating Leases Future Minimum Payments Net Of Sublease Rentals Duein Five Years OperatingLeasesFutureMinimumPaymentsNetOfSubleaseRentalsDueinFiveYears	113000000	USD
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CY2018Q4	gm	Operating Leases Future Minimum Payments Net Of Sublease Rentals Duein Three Years OperatingLeasesFutureMinimumPaymentsNetOfSubleaseRentalsDueinThreeYears	203000000	USD
CY2018Q4	gm	Operating Leases Future Minimum Payments Net Of Sublease Rentals Duein Two Years OperatingLeasesFutureMinimumPaymentsNetOfSubleaseRentalsDueinTwoYears	235000000	USD
CY2018Q4	gm	Operating Leases Future Minimum Payments Net Of Sublease Rentals Next Twelve Months OperatingLeasesFutureMinimumPaymentsNetOfSubleaseRentalsNextTwelveMonths	235000000	USD
CY2016	gm	Pensionand Other Postretirement Benefits Nonoperating Income PensionandOtherPostretirementBenefitsNonoperatingIncome	1262000000	USD
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CY2018Q4	gm	Percentage Recognized As Pension Expense In First Year PercentageRecognizedAsPensionExpenseInFirstYear	0.60
CY2018	gm	Period Of Time Over Which Pension Return Adjustment Is Amortized PeriodOfTimeOverWhichPensionReturnAdjustmentIsAmortized	P4Y
CY2017Q4	gm	Policy Product Warranty Recall Campaignsand Courtesy Transportation Accrual Current PolicyProductWarrantyRecallCampaignsandCourtesyTransportationAccrualCurrent	2994000000	USD
CY2018Q4	gm	Policy Product Warranty Recall Campaignsand Courtesy Transportation Accrual Current PolicyProductWarrantyRecallCampaignsandCourtesyTransportationAccrualCurrent	2788000000	USD
CY2017Q4	gm	Policy Product Warranty Recall Campaignsand Courtesy Transportation Accrual Noncurrent PolicyProductWarrantyRecallCampaignsandCourtesyTransportationAccrualNoncurrent	5338000000	USD
CY2018Q4	gm	Policy Product Warranty Recall Campaignsand Courtesy Transportation Accrual Noncurrent PolicyProductWarrantyRecallCampaignsandCourtesyTransportationAccrualNoncurrent	4802000000	USD
CY2015Q4	gm	Policy Productwarrantyand Recallcampaigns Accrual PolicyProductwarrantyandRecallcampaignsAccrual	8550000000	USD
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CY2016	gm	Policyproductwarrantyandrecallcampaignsand Currencytranslationandotherincreasedecrease PolicyproductwarrantyandrecallcampaignsandCurrencytranslationandotherincreasedecrease	21000000	USD
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CY2016	gm	Policyproductwarrantyandrecallcampaignspreexistingadjustments Policyproductwarrantyandrecallcampaignspreexistingadjustments	636000000	USD
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CY2018	gm	Policyproductwarrantyandrecallcampaignspreexistingadjustments Policyproductwarrantyandrecallcampaignspreexistingadjustments	-464000000	USD
CY2017Q4	gm	Postemployment Benefits Including Facility Idling Reserves Noncurrent PostemploymentBenefitsIncludingFacilityIdlingReservesNoncurrent	574000000	USD
CY2018Q4	gm	Postemployment Benefits Including Facility Idling Reserves Noncurrent PostemploymentBenefitsIncludingFacilityIdlingReservesNoncurrent	875000000	USD
CY2016	gm	Reevaluationof Investments Income Expense ReevaluationofInvestmentsIncomeExpense	0	USD
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CY2018	gm	Reevaluationof Investments Income Expense ReevaluationofInvestmentsIncomeExpense	258000000	USD
CY2017Q4	gm	Restricted Cashand Money Market Funds RestrictedCashandMoneyMarketFunds	2336000000	USD
CY2018Q4	gm	Restricted Cashand Money Market Funds RestrictedCashandMoneyMarketFunds	2652000000	USD
CY2016	gm	Restructuring Reserve Accrual Adjustmentincluding Foreign Currency RestructuringReserveAccrualAdjustmentincludingForeignCurrency	37000000	USD
CY2017	gm	Restructuring Reserve Accrual Adjustmentincluding Foreign Currency RestructuringReserveAccrualAdjustmentincludingForeignCurrency	56000000	USD
CY2018	gm	Restructuring Reserve Accrual Adjustmentincluding Foreign Currency RestructuringReserveAccrualAdjustmentincludingForeignCurrency	142000000	USD
CY2018	gm	Share Based Compensation Arrangement By Share Based Payment Award Optionand Nonoption Equity Instruments Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionandNonoptionEquityInstrumentsGrantsInPeriodWeightedAverageGrantDateFairValue	30.41
CY2017Q4	gm	Share Based Compensation Arrangement By Share Based Payment Award Optionand Nonoption Equity Instruments Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionandNonoptionEquityInstrumentsOutstandingNumber	52900000	shares
CY2018Q4	gm	Share Based Compensation Arrangement By Share Based Payment Award Optionand Nonoption Equity Instruments Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionandNonoptionEquityInstrumentsOutstandingNumber	48100000	shares
CY2018	gm	Share Based Compensation Arrangement By Share Based Payment Award Optionand Nonoption Equity Instruments Settled In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionandNonoptionEquityInstrumentsSettledInPeriodWeightedAverageGrantDateFairValue	30.23
CY2018	gm	Sharebased Compensation Arrangementby Sharebased Payment Award Optionand Nonoption Equity Instruments Exercised SharebasedCompensationArrangementbySharebasedPaymentAwardOptionandNonoptionEquityInstrumentsExercised	10200000	shares
CY2018	gm	Sharebased Compensation Arrangementby Sharebased Payment Award Optionand Nonoption Equity Instruments Forfeituresand Expirations SharebasedCompensationArrangementbySharebasedPaymentAwardOptionandNonoptionEquityInstrumentsForfeituresandExpirations	8300000	shares
CY2016	gm	Sharebased Compensation Arrangementby Sharebased Payment Award Optionand Nonoption Equity Instruments Granted SharebasedCompensationArrangementbySharebasedPaymentAwardOptionandNonoptionEquityInstrumentsGranted	0	shares
CY2018	gm	Sharebased Compensation Arrangementby Sharebased Payment Award Optionand Nonoption Equity Instruments Granted SharebasedCompensationArrangementbySharebasedPaymentAwardOptionandNonoptionEquityInstrumentsGranted	13700000	shares
CY2017Q4	gm	Sharebased Compensation Arrangementby Sharebased Payment Award Optionand Nonoption Equity Instruments Weighted Average Grant Date Fair Value SharebasedCompensationArrangementbySharebasedPaymentAwardOptionandNonoptionEquityInstrumentsWeightedAverageGrantDateFairValue	21.75
CY2018Q4	gm	Sharebased Compensation Arrangementby Sharebased Payment Award Optionand Nonoption Equity Instruments Weighted Average Grant Date Fair Value SharebasedCompensationArrangementbySharebasedPaymentAwardOptionandNonoptionEquityInstrumentsWeightedAverageGrantDateFairValue	19.81
CY2018	gm	Sharebased Compensation Arrangementby Sharebased Payment Award Optionsand Nonoption Equity Instruments Forfeitures Weighted Average Grant Date Fair Value SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsandNonoptionEquityInstrumentsForfeituresWeightedAverageGrantDateFairValue	29.51
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CY2018	gm	Sharebased Compensation Arrangementby Sharebased Payment Award Optionsand Nonoption Equity Instruments Outstanding Weighted Average Remaining Contractual Terms SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsandNonoptionEquityInstrumentsOutstandingWeightedAverageRemainingContractualTerms	P1Y3M18D
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CY2017	gm	Stock Issued During Period Value Warrants Exercised StockIssuedDuringPeriodValueWarrantsExercised	43000000	USD
CY2016	gm	Total Fair Valueof Optionsand Non Option Equity Instruments Vested During Period TotalFairValueofOptionsandNonOptionEquityInstrumentsVestedDuringPeriod	325000000	USD
CY2017	gm	Total Fair Valueof Optionsand Non Option Equity Instruments Vested During Period TotalFairValueofOptionsandNonOptionEquityInstrumentsVestedDuringPeriod	421000000	USD
CY2018	gm	Total Fair Valueof Optionsand Non Option Equity Instruments Vested During Period TotalFairValueofOptionsandNonOptionEquityInstrumentsVestedDuringPeriod	317000000	USD
CY2016	gm	Unrecognized Tax Benefits Other Increase Decrease UnrecognizedTaxBenefitsOtherIncreaseDecrease	-4000000	USD
CY2017	gm	Unrecognized Tax Benefits Other Increase Decrease UnrecognizedTaxBenefitsOtherIncreaseDecrease	17000000	USD
CY2018	gm	Unrecognized Tax Benefits Other Increase Decrease UnrecognizedTaxBenefitsOtherIncreaseDecrease	-40000000	USD
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CY2016	gm	Warranties Issued And Assumed In Period Product Warranty WarrantiesIssuedAndAssumedInPeriodProductWarranty	2338000000	USD
CY2017	gm	Warranties Issued And Assumed In Period Product Warranty WarrantiesIssuedAndAssumedInPeriodProductWarranty	2123000000	USD
CY2018	gm	Warranties Issued And Assumed In Period Product Warranty WarrantiesIssuedAndAssumedInPeriodProductWarranty	2143000000	USD
CY2016	gm	Warranties Issued And Assumed In Period Recall Campaigns WarrantiesIssuedAndAssumedInPeriodRecallCampaigns	899000000	USD
CY2017	gm	Warranties Issued And Assumed In Period Recall Campaigns WarrantiesIssuedAndAssumedInPeriodRecallCampaigns	678000000	USD
CY2018	gm	Warranties Issued And Assumed In Period Recall Campaigns WarrantiesIssuedAndAssumedInPeriodRecallCampaigns	665000000	USD
CY2017Q4	us-gaap	Accounts Notes And Loans Receivable Net Current AccountsNotesAndLoansReceivableNetCurrent	8164000000	USD
CY2018Q4	us-gaap	Accounts Notes And Loans Receivable Net Current AccountsNotesAndLoansReceivableNetCurrent	6549000000	USD
CY2017Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	23929000000	USD
CY2018Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	22297000000	USD
CY2017Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	25996000000	USD
CY2018Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	28049000000	USD
CY2018Q1	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	28324000000	USD
CY2017Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	24081000000	USD
CY2018Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	26725000000	USD
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-8011000000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-9039000000	USD
CY2018Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-8109000000	USD
CY2017Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	25371000000	USD
CY2018Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	25563000000	USD
CY2016	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	290000000	USD
CY2017	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	434000000	USD
CY2018	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	287000000	USD
CY2016	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	627000000	USD
CY2017	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	585000000	USD
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	316000000	USD
CY2016	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	325000000	USD
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CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	247000000	USD
CY2016	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2017	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2018	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	9000000	shares
CY2016	us-gaap	Asset Impairment Charges AssetImpairmentCharges	133000000	USD
CY2017	us-gaap	Asset Impairment Charges AssetImpairmentCharges	294000000	USD
CY2018	us-gaap	Asset Impairment Charges AssetImpairmentCharges	527000000	USD
CY2016Q4	us-gaap	Assets Assets	221690000000	USD
CY2017Q4	us-gaap	Assets Assets	212482000000	USD
CY2018Q4	us-gaap	Assets Assets	227339000000	USD
CY2017Q4	us-gaap	Assets Current AssetsCurrent	68744000000	USD
CY2018Q4	us-gaap	Assets Current AssetsCurrent	75293000000	USD
CY2017Q4	us-gaap	Assets Noncurrent AssetsNoncurrent	143738000000	USD
CY2018Q4	us-gaap	Assets Noncurrent AssetsNoncurrent	152046000000	USD
CY2018Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	4406000000	USD
CY2018Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	11288000000	USD
CY2018Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	15694000000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	15512000000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	20844000000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	15512000000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	20844000000	USD
CY2015Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	17332000000	USD
CY2016Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	15160000000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	17848000000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	23496000000	USD
CY2016	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-2172000000	USD
CY2017	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	2688000000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	5648000000	USD
CY2016	us-gaap	Cash Provided By Used In Financing Activities Discontinued Operations CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations	1081000000	USD
CY2017	us-gaap	Cash Provided By Used In Financing Activities Discontinued Operations CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations	174000000	USD
CY2018	us-gaap	Cash Provided By Used In Financing Activities Discontinued Operations CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations	0	USD
CY2016	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	-1496000000	USD
CY2017	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	-3500000000	USD
CY2018	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	166000000	USD
CY2016	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	-386000000	USD
CY2017	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	-10000000	USD
CY2018	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	0	USD
CY2017Q4	us-gaap	Class Of Warrant Or Right Outstanding ClassOfWarrantOrRightOutstanding	22000000	shares
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CY2017Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2018Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2018	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.52
CY2017Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2018Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2018Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	5000000000	shares
CY2018Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	1400000000	shares
CY2017Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	1400000000	shares
CY2018Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	1400000000	shares
CY2017Q4	us-gaap	Common Stock Value CommonStockValue	14000000	USD
CY2018Q4	us-gaap	Common Stock Value CommonStockValue	14000000	USD
CY2016	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	8133000000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-2545000000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	7084000000	USD
CY2016	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-218000000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-20000000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-15000000	USD
CY2016	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	7915000000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-2565000000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	7069000000	USD
CY2016	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	121784000000	USD
CY2017	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	116229000000	USD
CY2018	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	120656000000	USD
CY2016	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-126000000	USD
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	18000000	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-104000000	USD
CY2016	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	572000000	USD
CY2017	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	552000000	USD
CY2018	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	577000000	USD
CY2016	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	511000000	USD
CY2017	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	653000000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	586000000	USD
CY2016	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	65000000	USD
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	83000000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	113000000	USD
CY2017Q4	us-gaap	Customer Deposits Current CustomerDepositsCurrent	2113000000	USD
CY2018Q4	us-gaap	Customer Deposits Current CustomerDepositsCurrent	405000000	USD
CY2016	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	1865000000	USD
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	7831000000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-578000000	USD
CY2016	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	99000000	USD
CY2017	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	3236000000	USD
CY2018	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	216000000	USD
CY2017Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	23544000000	USD
CY2018Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	24082000000	USD
CY2018Q1	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	23925000000	USD
CY2016	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	2228000000	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	10880000000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-112000000	USD
CY2017Q4	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	3400000000	USD
CY2018Q4	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	3504000000	USD
CY2017Q4	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	2887000000	USD
CY2018Q4	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	2959000000	USD
CY2018	us-gaap	Deferred Revenue Revenue Recognized1 DeferredRevenueRevenueRecognized1	1400000000	USD
CY2016	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	264000000	USD
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CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	250000000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	30699000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	33105000000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	22856000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	23302000000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	24009000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	25129000000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1697000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	2034000000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	3285000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	3020000000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	1948000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	1584000000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	6690000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	7976000000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	1153000000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	1827000000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	735000000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	729000000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	418000000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	1098000000	USD
CY2017Q4	us-gaap	Defined Benefit Pension Plan Liabilities Noncurrent DefinedBenefitPensionPlanLiabilitiesNoncurrent	13746000000	USD
CY2018Q4	us-gaap	Defined Benefit Pension Plan Liabilities Noncurrent DefinedBenefitPensionPlanLiabilitiesNoncurrent	11538000000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Expected Amortization Next Fiscal Year DefinedBenefitPlanExpectedAmortizationNextFiscalYear	129000000	USD
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CY2017	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	650000000	USD
CY2018	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	617000000	USD
CY2016	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	9686000000	USD
CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	11967000000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	13142000000	USD
CY2016	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	0.00
CY2017Q1	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	-0.05
CY2017Q2	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	-0.51
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CY2017Q4	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	-0.19
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CY2018Q2	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	0.00
CY2018Q3	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	0.00
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CY2016	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Diluted Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare	0.00
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CY2017Q3	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Diluted Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare	-2.11
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CY2017	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Diluted Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare	-2.82
CY2018Q1	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Diluted Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare	-0.05
CY2018Q2	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Diluted Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare	0.00
CY2018Q3	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Diluted Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare	0.00
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CY2016	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	2337000000	USD
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CY2017	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	2215000000	USD
CY2018	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	2100000000	USD
CY2018	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	2144000000	USD
CY2016	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	6.12
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CY2016	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	6.00
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-2.60
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	5.53
CY2016	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-213000000	USD
CY2017	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	348000000	USD
CY2018	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-299000000	USD
CY2018Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	208000000	USD
CY2018	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P1Y3M18D
CY2017Q4	us-gaap	Equity Method Investment Difference Between Carrying Amount And Underlying Equity EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity	4300000000	USD
CY2018Q4	us-gaap	Equity Method Investment Difference Between Carrying Amount And Underlying Equity EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity	4400000000	USD
CY2017Q4	us-gaap	Equity Method Investment Summarized Financial Information Assets EquityMethodInvestmentSummarizedFinancialInformationAssets	48451000000	USD
CY2018Q4	us-gaap	Equity Method Investment Summarized Financial Information Assets EquityMethodInvestmentSummarizedFinancialInformationAssets	50622000000	USD
CY2017Q4	us-gaap	Equity Method Investment Summarized Financial Information Current Assets EquityMethodInvestmentSummarizedFinancialInformationCurrentAssets	30854000000	USD
CY2018Q4	us-gaap	Equity Method Investment Summarized Financial Information Current Assets EquityMethodInvestmentSummarizedFinancialInformationCurrentAssets	32740000000	USD
CY2017Q4	us-gaap	Equity Method Investment Summarized Financial Information Current Liabilities EquityMethodInvestmentSummarizedFinancialInformationCurrentLiabilities	34897000000	USD
CY2018Q4	us-gaap	Equity Method Investment Summarized Financial Information Current Liabilities EquityMethodInvestmentSummarizedFinancialInformationCurrentLiabilities	35559000000	USD
CY2017Q4	us-gaap	Equity Method Investment Summarized Financial Information Liabilities EquityMethodInvestmentSummarizedFinancialInformationLiabilities	38439000000	USD
CY2018Q4	us-gaap	Equity Method Investment Summarized Financial Information Liabilities EquityMethodInvestmentSummarizedFinancialInformationLiabilities	40074000000	USD
CY2017Q4	us-gaap	Equity Method Investment Summarized Financial Information Minority Interest EquityMethodInvestmentSummarizedFinancialInformationMinorityInterest	872000000	USD
CY2018Q4	us-gaap	Equity Method Investment Summarized Financial Information Minority Interest EquityMethodInvestmentSummarizedFinancialInformationMinorityInterest	866000000	USD
CY2016	us-gaap	Equity Method Investment Summarized Financial Information Net Income Loss EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss	4495000000	USD
CY2017	us-gaap	Equity Method Investment Summarized Financial Information Net Income Loss EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss	4632000000	USD
CY2018	us-gaap	Equity Method Investment Summarized Financial Information Net Income Loss EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss	4528000000	USD
CY2017Q4	us-gaap	Equity Method Investment Summarized Financial Information Noncurrent Assets EquityMethodInvestmentSummarizedFinancialInformationNoncurrentAssets	17597000000	USD
CY2018Q4	us-gaap	Equity Method Investment Summarized Financial Information Noncurrent Assets EquityMethodInvestmentSummarizedFinancialInformationNoncurrentAssets	17882000000	USD
CY2017Q4	us-gaap	Equity Method Investment Summarized Financial Information Noncurrent Liabilities EquityMethodInvestmentSummarizedFinancialInformationNoncurrentLiabilities	3542000000	USD
CY2018Q4	us-gaap	Equity Method Investment Summarized Financial Information Noncurrent Liabilities EquityMethodInvestmentSummarizedFinancialInformationNoncurrentLiabilities	4515000000	USD
CY2016	us-gaap	Equity Method Investment Summarized Financial Information Revenue EquityMethodInvestmentSummarizedFinancialInformationRevenue	49562000000	USD
CY2017	us-gaap	Equity Method Investment Summarized Financial Information Revenue EquityMethodInvestmentSummarizedFinancialInformationRevenue	52607000000	USD
CY2018	us-gaap	Equity Method Investment Summarized Financial Information Revenue EquityMethodInvestmentSummarizedFinancialInformationRevenue	52037000000	USD
CY2016Q4	us-gaap	Equity Method Investments EquityMethodInvestments	8996000000	USD
CY2017Q4	us-gaap	Equity Method Investments EquityMethodInvestments	9073000000	USD
CY2018Q4	us-gaap	Equity Method Investments EquityMethodInvestments	9215000000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	9712000000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	2283000000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	184000000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	184000000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	184000000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	184000000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	184000000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	13704000000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	6001000000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	3992000000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	3718000000	USD
CY2018	us-gaap	Finite Lived Intangible Assets Period Increase Decrease FiniteLivedIntangibleAssetsPeriodIncreaseDecrease	-7700000000	USD
CY2017Q4	us-gaap	Goodwill Goodwill	1900000000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	1900000000	USD
CY2017Q4	us-gaap	Guarantee Obligations Maximum Exposure GuaranteeObligationsMaximumExposure	1900000000	USD
CY2018Q4	us-gaap	Guarantee Obligations Maximum Exposure GuaranteeObligationsMaximumExposure	2400000000	USD
CY2016	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	9428000000	USD
CY2017	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	348000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	8084000000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	12008000000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	11863000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	8549000000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	9726000000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	9731000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	6386000000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	9269000000	USD
CY2017Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	2686000000	USD
CY2017Q2	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	2433000000	USD
CY2017Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	114000000	USD
CY2017Q4	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-4903000000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	330000000	USD
CY2018Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	1110000000	USD
CY2018Q2	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	2366000000	USD
CY2018Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	2530000000	USD
CY2018Q4	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	2069000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	8075000000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	6.12
CY2017Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.78
CY2017Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.62
CY2017Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.08
CY2017Q4	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-3.46
CY2017	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.23
CY2018Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.78
CY2018Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.68
CY2018Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.77
CY2018Q4	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.42
CY2018	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	5.66
CY2016	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	6.00
CY2017Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.75
CY2017Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.60
CY2017Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.08
CY2017Q4	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-3.46
CY2017	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.22
CY2018Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.77
CY2018Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.66
CY2018Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.75
CY2018Q4	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.40
CY2018	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	5.58
CY2016	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-1000000	USD
CY2017Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-69000000	USD
CY2017Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-770000000	USD
CY2017Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-3096000000	USD
CY2017Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-277000000	USD
CY2017	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-4212000000	USD
CY2018Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-70000000	USD
CY2018Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
CY2018Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
CY2018Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-70000000	USD
CY2016	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	2282000000	USD
CY2017	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	2132000000	USD
CY2018	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	2163000000	USD
CY2016	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	15000000	USD
CY2017	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	132000000	USD
CY2018	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	141000000	USD
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2739000000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	11533000000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	474000000	USD
CY2016	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	237000000	USD
CY2017	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	2712000000	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	1695000000	USD
CY2016	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	147000000	USD
CY2017	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	7194000000	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	-134000000	USD
CY2016	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-61000000	USD
CY2017	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-145000000	USD
CY2018	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	90000000	USD
CY2016	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	3404000000	USD
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	3406000000	USD
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	1341000000	USD
CY2016	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	198000000	USD
CY2017	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	67000000	USD
CY2018	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-153000000	USD
CY2016	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	190000000	USD
CY2017	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-76000000	USD
CY2018	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	282000000	USD
CY2016	us-gaap	Income Tax Reconciliation Tax Settlements IncomeTaxReconciliationTaxSettlements	-46000000	USD
CY2017	us-gaap	Income Tax Reconciliation Tax Settlements IncomeTaxReconciliationTaxSettlements	-256000000	USD
CY2018	us-gaap	Income Tax Reconciliation Tax Settlements IncomeTaxReconciliationTaxSettlements	-188000000	USD
CY2016	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	676000000	USD
CY2017	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	656000000	USD
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	660000000	USD
CY2016	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	3195000000	USD
CY2017	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-362000000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-537000000	USD
CY2016	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	1249000000	USD
CY2017	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-1402000000	USD
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-492000000	USD
CY2016	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-162000000	USD
CY2017	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-3000000	USD
CY2018	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-75000000	USD
CY2016	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	1209000000	USD
CY2017	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	-2238000000	USD
CY2018	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	732000000	USD
CY2016	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	75000000	USD
CY2017	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-440000000	USD
CY2018	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-399000000	USD
CY2016	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	939000000	USD
CY2017	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-108000000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	529000000	USD
CY2016	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-580000000	USD
CY2017	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	3015000000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	1376000000	USD
CY2016	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	30000000	shares
CY2017	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	27000000	shares
CY2018	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	20000000	shares
CY2016Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	6149000000	USD
CY2017Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	5849000000	USD
CY2018Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	5579000000	USD
CY2016	us-gaap	Interest Expense InterestExpense	2535000000	USD
CY2017	us-gaap	Interest Expense InterestExpense	3141000000	USD
CY2018	us-gaap	Interest Expense InterestExpense	3880000000	USD
CY2016	us-gaap	Interest Paid Net InterestPaidNet	2221000000	USD
CY2017	us-gaap	Interest Paid Net InterestPaidNet	3072000000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	3597000000	USD
CY2017Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	6460000000	USD
CY2018Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	5542000000	USD
CY2017Q4	us-gaap	Inventory Net InventoryNet	10663000000	USD
CY2018Q4	us-gaap	Inventory Net InventoryNet	9816000000	USD
CY2017Q4	us-gaap	Inventory Work In Process And Raw Materials Net Of Reserves InventoryWorkInProcessAndRawMaterialsNetOfReserves	4203000000	USD
CY2018Q4	us-gaap	Inventory Work In Process And Raw Materials Net Of Reserves InventoryWorkInProcessAndRawMaterialsNetOfReserves	4274000000	USD
CY2016	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	182000000	USD
CY2017	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	266000000	USD
CY2018	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	335000000	USD
CY2017Q4	us-gaap	Liabilities Liabilities	176282000000	USD
CY2018Q4	us-gaap	Liabilities Liabilities	184562000000	USD
CY2017Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	212482000000	USD
CY2018Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	227339000000	USD
CY2017Q4	us-gaap	Liabilities Current LiabilitiesCurrent	76890000000	USD
CY2018Q4	us-gaap	Liabilities Current LiabilitiesCurrent	82237000000	USD
CY2017Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	99392000000	USD
CY2018Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	102325000000	USD
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	106148000000	USD
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal After Year Five LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalAfterYearFive	20763000000	USD
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal In Year Five LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFive	6627000000	USD
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal In Year Four LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFour	7479000000	USD
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal In Year Three LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearThree	15543000000	USD
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal In Year Two LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearTwo	23742000000	USD
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations Repayments Of Principal In Next Twelve Months LongTermDebtAndCapitalLeaseObligationsRepaymentsOfPrincipalInNextTwelveMonths	31994000000	USD
CY2017Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	8313000000	USD
CY2018Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	5966000000	USD
CY2017Q4	us-gaap	Minority Interest MinorityInterest	1199000000	USD
CY2018Q4	us-gaap	Minority Interest MinorityInterest	3917000000	USD
CY2016	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	31000000	USD
CY2017	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	18000000	USD
CY2018	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	169000000	USD
CY2016	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	17077000000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	12584000000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	11454000000	USD
CY2016	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	15996000000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	12410000000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	11454000000	USD
CY2016	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-35643000000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-27572000000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-20763000000	USD
CY2016	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-34147000000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-24072000000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-20929000000	USD
CY2016	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	16607000000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	17328000000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	15256000000	USD
CY2016	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	16993000000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	17338000000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	15256000000	USD
CY2016	us-gaap	Net Income Loss NetIncomeLoss	9427000000	USD
CY2017Q1	us-gaap	Net Income Loss NetIncomeLoss	2608000000	USD
CY2017Q2	us-gaap	Net Income Loss NetIncomeLoss	1660000000	USD
CY2017Q3	us-gaap	Net Income Loss NetIncomeLoss	-2981000000	USD
CY2017Q4	us-gaap	Net Income Loss NetIncomeLoss	-5151000000	USD
CY2017	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-3880000000	USD
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	7916000000	USD
CY2016	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	9427000000	USD
CY2017	us-gaap	Net Income Loss From Discontinued Operations Available To Common Shareholders Basic NetIncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic	-4212000000	USD
CY2018	us-gaap	Net Income Loss From Discontinued Operations Available To Common Shareholders Basic NetIncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic	-70000000	USD
CY2016	us-gaap	Net Income Loss From Discontinued Operations Available To Common Shareholders Diluted NetIncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersDiluted	-1000000	USD
CY2017	us-gaap	Net Income Loss From Discontinued Operations Available To Common Shareholders Diluted NetIncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersDiluted	-4212000000	USD
CY2018	us-gaap	Net Income Loss From Discontinued Operations Available To Common Shareholders Diluted NetIncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersDiluted	-70000000	USD
CY2017	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-3880000000	USD
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	7916000000	USD
CY2016	us-gaap	Net Income Loss From Continuing Operations Available To Common Shareholders Basic NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic	9428000000	USD
CY2017	us-gaap	Net Income Loss From Continuing Operations Available To Common Shareholders Basic NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic	332000000	USD
CY2018	us-gaap	Net Income Loss From Continuing Operations Available To Common Shareholders Basic NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic	7986000000	USD
CY2016	us-gaap	Net Income Loss From Continuing Operations Available To Common Shareholders Diluted NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted	9428000000	USD
CY2017	us-gaap	Net Income Loss From Continuing Operations Available To Common Shareholders Diluted NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted	332000000	USD
CY2018	us-gaap	Net Income Loss From Continuing Operations Available To Common Shareholders Diluted NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted	7986000000	USD
CY2016	us-gaap	Net Income Loss From Discontinued Operations Available To Common Shareholders Basic NetIncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic	-1000000	USD
CY2018	us-gaap	New Accounting Pronouncement Or Change In Accounting Principle Effect Of Adoption Quantification NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification	-1144000000	USD
CY2016	us-gaap	Noncash Or Part Noncash Divestiture Amount Of Consideration Received1 NoncashOrPartNoncashDivestitureAmountOfConsiderationReceived1	0	USD
CY2017	us-gaap	Noncash Or Part Noncash Divestiture Amount Of Consideration Received1 NoncashOrPartNoncashDivestitureAmountOfConsiderationReceived1	808000000	USD
CY2018	us-gaap	Noncash Or Part Noncash Divestiture Amount Of Consideration Received1 NoncashOrPartNoncashDivestitureAmountOfConsiderationReceived1	0	USD
CY2016Q4	us-gaap	Noncurrent Assets NoncurrentAssets	68055000000	USD
CY2017Q4	us-gaap	Noncurrent Assets NoncurrentAssets	80329000000	USD
CY2018Q4	us-gaap	Noncurrent Assets NoncurrentAssets	82698000000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	-3864000000	USD
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	1046000000	USD
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	2390000000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	2534000000	USD
CY2018Q4	us-gaap	Net Income Loss NetIncomeLoss	2044000000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	8014000000	USD
CY2016	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-159000000	USD
CY2017	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-18000000	USD
CY2018	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-9000000	USD
CY2016	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	9427000000	USD
CY2016	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	1603000000	USD
CY2017	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	1645000000	USD
CY2018	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	2596000000	USD
CY2016	us-gaap	Operating Expenses OperatingExpenses	140498000000	USD
CY2017	us-gaap	Operating Expenses OperatingExpenses	136927000000	USD
CY2018	us-gaap	Operating Expenses OperatingExpenses	142604000000	USD
CY2016	us-gaap	Operating Income Loss OperatingIncomeLoss	8686000000	USD
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	8661000000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	4445000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	1737000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	296000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals	356000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	146000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	180000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	247000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	286000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	582000000	USD
CY2016	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	270000000	USD
CY2017	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	284000000	USD
CY2018	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	300000000	USD
CY2017Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	6372000000	USD
CY2018Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	7508000000	USD
CY2017Q4	us-gaap	Other Accrued Liabilities Noncurrent OtherAccruedLiabilitiesNoncurrent	2915000000	USD
CY2018Q4	us-gaap	Other Accrued Liabilities Noncurrent OtherAccruedLiabilitiesNoncurrent	3063000000	USD
CY2017Q4	us-gaap	Other Assets Current OtherAssetsCurrent	4465000000	USD
CY2018Q4	us-gaap	Other Assets Current OtherAssetsCurrent	5021000000	USD
CY2017Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	4929000000	USD
CY2018Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	5770000000	USD
CY2018Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	5366000000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-384000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	747000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-715000000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-1353000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1317000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-936000000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	969000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-570000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	221000000	USD
CY2017Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	12394000000	USD
CY2018Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	12357000000	USD
CY2018Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	12159000000	USD
CY2016	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	65000000	USD
CY2017	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	45000000	USD
CY2018	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	42000000	USD
CY2016	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-894000000	USD
CY2017	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-468000000	USD
CY2018	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-1678000000	USD
CY2017Q4	us-gaap	Other Postretirement Defined Benefit Plan Liabilities Noncurrent OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent	5998000000	USD
CY2018Q4	us-gaap	Other Postretirement Defined Benefit Plan Liabilities Noncurrent OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent	5370000000	USD
CY2016	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-162000000	USD
CY2017	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-178000000	USD
CY2018	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-122000000	USD
CY2016	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	2500000000	USD
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	4492000000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	190000000	USD
CY2016	us-gaap	Payments For Restructuring PaymentsForRestructuring	490000000	USD
CY2017	us-gaap	Payments For Restructuring PaymentsForRestructuring	315000000	USD
CY2018	us-gaap	Payments For Restructuring PaymentsForRestructuring	600000000	USD
CY2016	us-gaap	Payments Of Dividends PaymentsOfDividends	2368000000	USD
CY2017	us-gaap	Payments Of Dividends PaymentsOfDividends	2233000000	USD
CY2018	us-gaap	Payments Of Dividends PaymentsOfDividends	2242000000	USD
CY2016	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	15182000000	USD
CY2017	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	5503000000	USD
CY2018	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	2820000000	USD
CY2016	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	804000000	USD
CY2017	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	41000000	USD
CY2018	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	83000000	USD
CY2016	us-gaap	Payments To Acquire Finance Receivables PaymentsToAcquireFinanceReceivables	14378000000	USD
CY2017	us-gaap	Payments To Acquire Finance Receivables PaymentsToAcquireFinanceReceivables	19325000000	USD
CY2018	us-gaap	Payments To Acquire Finance Receivables PaymentsToAcquireFinanceReceivables	25671000000	USD
CY2016	us-gaap	Payments To Acquire Leases Held For Investment PaymentsToAcquireLeasesHeldForInvestment	19495000000	USD
CY2017	us-gaap	Payments To Acquire Leases Held For Investment PaymentsToAcquireLeasesHeldForInvestment	19180000000	USD
CY2018	us-gaap	Payments To Acquire Leases Held For Investment PaymentsToAcquireLeasesHeldForInvestment	16736000000	USD
CY2016	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	8384000000	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	8453000000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	8761000000	USD
CY2016	us-gaap	Payments To Acquire Trading Securities Heldforinvestment PaymentsToAcquireTradingSecuritiesHeldforinvestment	262000000	USD
CY2017	us-gaap	Payments To Acquire Trading Securities Heldforinvestment PaymentsToAcquireTradingSecuritiesHeldforinvestment	0	USD
CY2018	us-gaap	Payments To Acquire Trading Securities Heldforinvestment PaymentsToAcquireTradingSecuritiesHeldforinvestment	0	USD
CY2016	us-gaap	Pension And Other Postretirement Benefit Contributions PensionAndOtherPostretirementBenefitContributions	3454000000	USD
CY2017	us-gaap	Pension And Other Postretirement Benefit Contributions PensionAndOtherPostretirementBenefitContributions	1636000000	USD
CY2018	us-gaap	Pension And Other Postretirement Benefit Contributions PensionAndOtherPostretirementBenefitContributions	2069000000	USD
CY2016	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	-769000000	USD
CY2017	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	-934000000	USD
CY2018	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	-1280000000	USD
CY2016	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	0	USD
CY2017	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	16000000	USD
CY2018	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	98000000	USD
CY2018Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	2000000000	shares
CY2016	us-gaap	Proceeds From Collection Of Finance Receivables ProceedsFromCollectionOfFinanceReceivables	9899000000	USD
CY2017	us-gaap	Proceeds From Collection Of Finance Receivables ProceedsFromCollectionOfFinanceReceivables	12578000000	USD
CY2018	us-gaap	Proceeds From Collection Of Finance Receivables ProceedsFromCollectionOfFinanceReceivables	17048000000	USD
CY2016	us-gaap	Proceeds From Debt Maturing In More Than Three Months ProceedsFromDebtMaturingInMoreThanThreeMonths	42036000000	USD
CY2017	us-gaap	Proceeds From Debt Maturing In More Than Three Months ProceedsFromDebtMaturingInMoreThanThreeMonths	52187000000	USD
CY2018	us-gaap	Proceeds From Debt Maturing In More Than Three Months ProceedsFromDebtMaturingInMoreThanThreeMonths	43801000000	USD
CY2016	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	0	USD
CY2017	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	985000000	USD
CY2018	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	2862000000	USD
CY2016	us-gaap	Proceeds From Leases Held For Investment ProceedsFromLeasesHeldForInvestment	2554000000	USD
CY2017	us-gaap	Proceeds From Leases Held For Investment ProceedsFromLeasesHeldForInvestment	6667000000	USD
CY2018	us-gaap	Proceeds From Leases Held For Investment ProceedsFromLeasesHeldForInvestment	10864000000	USD
CY2016	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-163000000	USD
CY2017	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-305000000	USD
CY2018	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-640000000	USD
CY2016	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	-282000000	USD
CY2017	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	-140000000	USD
CY2018	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	1186000000	USD
CY2016	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	10871000000	USD
CY2017	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	9007000000	USD
CY2018	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	5108000000	USD
CY2016	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	8500000000	USD
CY2017	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	5600000000	USD
CY2018	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	4300000000	USD
CY2016	us-gaap	Proceeds From Sale Of Trading Securities Heldforinvestment ProceedsFromSaleOfTradingSecuritiesHeldforinvestment	872000000	USD
CY2017	us-gaap	Proceeds From Sale Of Trading Securities Heldforinvestment ProceedsFromSaleOfTradingSecuritiesHeldforinvestment	0	USD
CY2018	us-gaap	Proceeds From Sale Of Trading Securities Heldforinvestment ProceedsFromSaleOfTradingSecuritiesHeldforinvestment	0	USD
CY2016	us-gaap	Profit Loss ProfitLoss	9268000000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	-3882000000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	8005000000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	60334000000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	65483000000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	36253000000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	38758000000	USD
CY2017Q4	us-gaap	Property Subject To Or Available For Operating Lease Net PropertySubjectToOrAvailableForOperatingLeaseNet	42882000000	USD
CY2018Q4	us-gaap	Property Subject To Or Available For Operating Lease Net PropertySubjectToOrAvailableForOperatingLeaseNet	43559000000	USD
CY2018Q4	us-gaap	Repayments Of Debt RepaymentsOfDebt	1500000000	USD
CY2016	us-gaap	Repayments Of Debt Maturing In More Than Three Months RepaymentsOfDebtMaturingInMoreThanThreeMonths	20727000000	USD
CY2017	us-gaap	Repayments Of Debt Maturing In More Than Three Months RepaymentsOfDebtMaturingInMoreThanThreeMonths	33592000000	USD
CY2018	us-gaap	Repayments Of Debt Maturing In More Than Three Months RepaymentsOfDebtMaturingInMoreThanThreeMonths	33323000000	USD
CY2016	us-gaap	Restructuring Charges RestructuringCharges	412000000	USD
CY2017	us-gaap	Restructuring Charges RestructuringCharges	330000000	USD
CY2018	us-gaap	Restructuring Charges RestructuringCharges	1637000000	USD
CY2015Q4	us-gaap	Restructuring Reserve RestructuringReserve	383000000	USD
CY2016Q4	us-gaap	Restructuring Reserve RestructuringReserve	268000000	USD
CY2017Q4	us-gaap	Restructuring Reserve RestructuringReserve	227000000	USD
CY2018Q4	us-gaap	Restructuring Reserve RestructuringReserve	1122000000	USD
CY2017Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	17627000000	USD
CY2018Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	22322000000	USD
CY2018Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	16581000000	USD
CY2018	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	133045000000	USD
CY2018Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	1500000000	USD
CY2018Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	509000000	USD
CY2018Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	626000000	USD
CY2018Q4	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P1Y
CY2018Q4	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P1Y
CY2018Q4	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1
CY2016	us-gaap	Revenues Revenues	149184000000	USD
CY2017Q1	us-gaap	Revenues Revenues	37266000000	USD
CY2015Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1337000000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1182000000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1557000000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1341000000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	192000000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	195000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	244000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	292000000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	96000000	USD
CY2017Q2	us-gaap	Revenues Revenues	36984000000	USD
CY2017Q3	us-gaap	Revenues Revenues	33623000000	USD
CY2017Q4	us-gaap	Revenues Revenues	37715000000	USD
CY2017	us-gaap	Revenues Revenues	145588000000	USD
CY2018Q1	us-gaap	Revenues Revenues	36099000000	USD
CY2018Q2	us-gaap	Revenues Revenues	36760000000	USD
CY2018Q3	us-gaap	Revenues Revenues	35791000000	USD
CY2018Q4	us-gaap	Revenues Revenues	38399000000	USD
CY2018	us-gaap	Revenues Revenues	147049000000	USD
CY2016	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	10345000000	USD
CY2017	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	9570000000	USD
CY2018	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	9650000000	USD
CY2016	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	290000000	USD
CY2016	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	77000000	shares
CY2017	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	120000000	shares
CY2018	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	3000000	shares
CY2016	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	2500000000	USD
CY2016	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	2500000000	USD
CY2017	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	4492000000	USD
CY2017	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	4500000000	USD
CY2018	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	190000000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	35001000000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	38860000000	USD
CY2015Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	40323000000	USD
CY2016Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	44075000000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	36200000000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	42777000000	USD
CY2016	us-gaap	Stockholders Equity Other StockholdersEquityOther	-36000000	USD
CY2017	us-gaap	Stockholders Equity Other StockholdersEquityOther	47000000	USD
CY2018	us-gaap	Stockholders Equity Other StockholdersEquityOther	-6000000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	1000000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	11000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	450000000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	152000000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	116000000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	49000000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	160000000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	448000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	264000000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	103000000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	44000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	38000000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	390000000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	991000000	USD
CY2016	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1570000000	shares
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1492000000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1431000000	shares
CY2016	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	1540000000	shares
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	1465000000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	1411000000	shares
CY2018	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Use of Estimates in the Preparation of the Financial Statements </font><font style="font-family:inherit;font-size:10pt;">Accounting estimates are an integral part of the consolidated financial statements. These estimates require the use of judgments and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses in the periods presented. We believe that the accounting estimates employed are appropriate and the resulting balances are reasonable; however, due to the inherent uncertainties in making estimates, actual results could differ from the original estimates, requiring adjustments to these balances in future periods.</font></div></div>

Files In Submission

Name	View Source	Status
0001467858-19-000033-index-headers.html	Edgar Link	pending
0001467858-19-000033-index.html	Edgar Link	pending
0001467858-19-000033.txt	Edgar Link	pending
0001467858-19-000033-xbrl.zip	Edgar Link	pending
ex-1020gmcruise2018employe.htm	Edgar Link	pending
ex-1021gmcruise2018rsuagre.htm	Edgar Link	pending
ex-1022gmcruise2018stockop.htm	Edgar Link	pending
ex-1023amendedgmexecutives.htm	Edgar Link	pending
ex-1033gmcruiseamendedandr.htm	Edgar Link	pending
ex-21x12312018.htm	Edgar Link	pending
ex-231x12312018.htm	Edgar Link	pending
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ex-23purchaseagreementgmcr.htm	Edgar Link	pending
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ex-311x12312018.htm	Edgar Link	pending
ex-312x12312018.htm	Edgar Link	pending
ex-32x12312018.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
gm-20181231.xml	Edgar Link	completed
gm-20181231.xsd	Edgar Link	pending
gm-20181231_cal.xml	Edgar Link	unprocessable
gm-20181231_def.xml	Edgar Link	unprocessable
gm-20181231_lab.xml	Edgar Link	unprocessable
gm-20181231_pre.xml	Edgar Link	unprocessable
gm201810k.htm	Edgar Link	pending
R1.htm	Edgar Link	pending
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report.css	Edgar Link	pending
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$GM
General Motors Co Stock $gm

2018 Q1 Form 10-K Financial Statement

#000146785819000033 Filed on February 06, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$GM General Motors Co Stock $gm

2018 Q1 Form 10-K Financial Statement

#000146785819000033 Filed on February 06, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$GM
General Motors Co Stock $gm