$BBY
BEST BUY CO INC Stock $bby

$bby Overview Financials Valuation SEC Filings Company Website

2019 Q1 Form 10-K Financial Statement

#000076447819000009 Filed on March 28, 2019

Income Statement

Concept	2019 Q1	2018 Q1	2018
Revenue	$14.80B	$15.36B	$42.15B
YoY Change	-3.66%	13.95%	6.97%
Cost Of Revenue	$11.52B	$11.94B	$32.28B
YoY Change	-3.55%	14.26%	7.72%
Gross Profit	$3.283B	$3.421B	$9.876B
YoY Change	-4.03%	12.9%	4.62%
Gross Profit Margin	22.18%	22.27%	23.43%
Selling, General & Admin	$2.304B	$2.537B	$8.023B
YoY Change	-9.18%	19.16%	6.31%
% of Gross Profit	70.18%	74.16%	81.24%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$220.0M	$183.0M	$683.0M
YoY Change	20.22%	12.27%	4.43%
% of Gross Profit	6.7%	5.35%	6.92%
Operating Expenses	$2.304B	$2.537B	$8.023B
YoY Change	-9.18%	19.16%	6.31%
Operating Profit	$978.0M	$884.0M	$1.843B
YoY Change	10.63%	0.34%	-0.59%
Interest Expense	-$8.000M	-$1.000M	$75.00M
YoY Change	700.0%	-88.89%	4.17%
% of Operating Profit	-0.82%	-0.11%	4.07%
Other Income/Expense, Net
YoY Change
Pretax Income	$972.0M	$873.0M	$1.480B
YoY Change	11.34%	0.0%	-1.79%
Income Tax	$237.0M	$226.0M	$818.0M
% Of Pretax Income	24.38%	25.89%	55.27%
Net Earnings	$735.0M	$364.0M	$1.000B
YoY Change	101.92%	-40.03%	-18.57%
Net Earnings / Revenue	4.97%	2.37%	2.37%
Basic Earnings Per Share	$2.73		$3.33
Diluted Earnings Per Share	$2.69	$1.226M	$3.26
COMMON SHARES
Basic Shares Outstanding	267.8M shares	282.7M shares	300.4M
Diluted Shares Outstanding			307.1M

Balance Sheet

Concept	2019 Q1	2018 Q1	2018
SHORT-TERM ASSETS
Cash & Short-Term Investments	$1.980B	$3.133B	$3.133B
YoY Change	-36.8%	-20.1%	-20.1%
Cash & Equivalents	$1.980B	$1.101B	$1.101B
Short-Term Investments	$0.00	$2.032B	$2.032B
Other Short-Term Assets	$466.0M	$438.0M	$438.0M
YoY Change	6.39%	14.06%	14.06%
Inventory	$5.409B	$5.209B	$5.209B
Prepaid Expenses
Receivables	$1.015B	$1.049B	$1.049B
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$8.870B	$9.829B	$9.829B
YoY Change	-9.76%	-6.53%	-6.53%
LONG-TERM ASSETS
Property, Plant & Equipment	$2.510B	$2.421B	$2.421B
YoY Change	3.68%	5.58%	5.58%
Goodwill	$915.0M	$425.0M
YoY Change	115.29%	0.0%
Intangibles		$18.00M
YoY Change
Long-Term Investments
YoY Change
Other Assets	$606.0M	$355.0M	$374.0M
YoY Change	70.7%	-42.93%	-39.87%
Total Long-Term Assets	$4.031B	$3.220B	$3.220B
YoY Change	25.19%	-3.59%	-3.59%
TOTAL ASSETS
Total Short-Term Assets	$8.870B	$9.829B	$9.829B
Total Long-Term Assets	$4.031B	$3.220B	$3.220B
Total Assets	$12.90B	$13.05B	$13.05B
YoY Change	-1.13%	-5.82%	-5.82%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$5.257B	$4.873B	$4.873B
YoY Change	7.88%	-2.23%	-2.23%
Accrued Expenses	$982.0M	$1.004B	$1.425B
YoY Change	-2.19%	16.07%	16.52%
Deferred Revenue	$290.0M	$427.0M
YoY Change	-32.08%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$56.00M	$544.0M	$544.0M
YoY Change	-89.71%	1136.36%	1136.36%
Total Short-Term Liabilities	$7.513B	$7.817B	$7.817B
YoY Change	-3.89%	9.76%	9.76%
LONG-TERM LIABILITIES
Long-Term Debt	$1.332B	$811.0M	$811.0M
YoY Change	64.24%	-38.61%	-38.61%
Other Long-Term Liabilities	$750.0M	$809.0M	$809.0M
YoY Change	-7.29%	14.91%	14.91%
Total Long-Term Liabilities	$2.082B	$809.0M	$1.620B
YoY Change	157.35%	-60.05%	-20.0%
TOTAL LIABILITIES
Total Short-Term Liabilities	$7.513B	$7.817B	$7.817B
Total Long-Term Liabilities	$2.082B	$809.0M	$1.620B
Total Liabilities	$9.595B	$8.626B	$9.437B
YoY Change	11.23%	-5.7%	3.17%
SHAREHOLDERS EQUITY
Retained Earnings	$2.985B	$3.343B
YoY Change	-10.71%	-24.01%
Common Stock	$27.00M	$28.00M
YoY Change	-3.57%	-9.68%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$3.306B	$3.612B	$3.612B
YoY Change
Total Liabilities & Shareholders Equity	$12.90B	$13.05B	$13.05B
YoY Change	-1.13%	-5.82%	-5.82%

Cashflow Statement

Concept	2019 Q1	2018 Q1	2018
OPERATING ACTIVITIES
Net Income	$735.0M	$364.0M	$1.000B
YoY Change	101.92%	-40.03%	-18.57%
Depreciation, Depletion And Amortization	$220.0M	$183.0M	$683.0M
YoY Change	20.22%	12.27%	4.43%
Cash From Operating Activities	$1.301B	$938.0M	$2.141B
YoY Change	38.7%	-18.43%	-16.27%
INVESTING ACTIVITIES
Capital Expenditures	-$200.0M	-$199.0M	$688.0M
YoY Change	0.5%	47.41%	18.62%
Acquisitions			$0.00
YoY Change
Other Investing Activities	$134.0M	$213.0M	$7.000M
YoY Change	-37.09%	100.94%	-111.86%
Cash From Investing Activities	-$66.00M	$14.00M	-$1.002B
YoY Change	-571.43%	-148.28%	14.25%
FINANCING ACTIVITIES
Cash Dividend Paid			$409.0M
YoY Change			-19.01%
Common Stock Issuance & Retirement, Net			$1.841B
YoY Change			249.34%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-492.0M	-962.0M	-2.297B
YoY Change	-48.86%	339.27%	61.99%
NET CHANGE
Cash From Operating Activities	1.301B	938.0M	2.141B
Cash From Investing Activities	-66.00M	14.00M	-1.002B
Cash From Financing Activities	-492.0M	-962.0M	-2.297B
Net Change In Cash	743.0M	-10.00M	-1.133B
YoY Change	-7530.0%	-101.11%	-516.54%
FREE CASH FLOW
Cash From Operating Activities	$1.301B	$938.0M	$2.141B
Capital Expenditures	-$200.0M	-$199.0M	$688.0M
Free Cash Flow	$1.501B	$1.137B	$1.453B
YoY Change	32.01%	-11.52%	-26.5%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2019	bby	Accelerated Share Repurchase Pricelowendoftherange AcceleratedShareRepurchasePricelowendoftherange	150000000	USD
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CY2019Q1	bby	Business Combination Provisional Information Initial Accounting Incomplete Adjustment Accrued Liabilities BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentAccruedLiabilities	-1000000	USD
CY2019Q1	bby	Business Combination Provisional Information Initial Accounting Incomplete Adjustment Cash Acquired BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentCashAcquired	0	USD
CY2019Q1	bby	Business Combination Provisional Information Initial Accounting Incomplete Adjustment Current Assets BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentCurrentAssets	-2000000	USD
CY2019Q1	bby	Business Combination Provisional Information Initial Accounting Incomplete Adjustment Goodwill BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentGoodwill	-6000000	USD
CY2019Q1	bby	Business Combination Provisional Information Initial Accounting Incomplete Adjustment Long Term Liabilities BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentLongTermLiabilities	-2000000	USD
CY2019Q1	bby	Business Combination Provisional Information Initial Accounting Incomplete Adjustment Other Assets BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOtherAssets	-2000000	USD
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CY2019Q1	bby	Contractwith Customer Liability Current Deferredrevenue ContractwithCustomerLiabilityCurrentDeferredrevenue	446000000	USD
CY2018Q1	bby	Contractwith Customer Liability Current Deferredrevenue ContractwithCustomerLiabilityCurrentDeferredrevenue	408000000	USD
CY2019Q1	bby	Contractwith Customer Liability Current Unredeemedgiftcards ContractwithCustomerLiabilityCurrentUnredeemedgiftcards	290000000	USD
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CY2019Q1	bby	Financing Leases Future Minimum Payments Due FinancingLeasesFutureMinimumPaymentsDue	205000000	USD
CY2019Q1	bby	Financing Leases Future Minimum Payments Due Current FinancingLeasesFutureMinimumPaymentsDueCurrent	43000000	USD
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CY2019Q1	bby	Financing Leases Future Minimum Payments Due In Two Years FinancingLeasesFutureMinimumPaymentsDueInTwoYears	42000000	USD
CY2019Q1	bby	Financing Leases Future Minimum Payments Due Next Twelve Months FinancingLeasesFutureMinimumPaymentsDueNextTwelveMonths	48000000	USD
CY2019Q1	bby	Financing Leases Future Minimum Payments Due Thereafter FinancingLeasesFutureMinimumPaymentsDueThereafter	40000000	USD
CY2019Q1	bby	Financing Leases Future Minimum Payments Interest Included In Payments FinancingLeasesFutureMinimumPaymentsInterestIncludedInPayments	24000000	USD
CY2019Q1	bby	Financing Leases Future Minimum Payments Present Value FinancingLeasesFutureMinimumPaymentsPresentValue	181000000	USD
CY2019Q1	bby	Financing Leases Future Minimum Payments Present Value Of Net Minimum Payments FinancingLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments	138000000	USD
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CY2018Q1	bby	Land And Buildings Gross LandAndBuildingsGross	623000000	USD
CY2019Q1	bby	Land And Buildings Gross LandAndBuildingsGross	637000000	USD
CY2019	bby	Maximum Term Of Original Maturity To Classify Instrument As Cash Equivalents MaximumTermOfOriginalMaturityToClassifyInstrumentAsCashEquivalents	P3M
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CY2019	bby	Period Of Expiration For Customer Loyalty Certificates High End Of Range PeriodOfExpirationForCustomerLoyaltyCertificatesHighEndOfRange	P12M
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CY2017	bby	Profit Shareon Saleof Extended Warranties ProfitShareonSaleofExtendedWarranties	133000000	USD
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CY2019	bby	Reporting Lag For Certain Foreign Operations In Financial Statements ReportingLagForCertainForeignOperationsInFinancialStatements	P1M
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CY2019	bby	Stock Repurchasedand Retiredat Asr Settlement Shares StockRepurchasedandRetiredatASRSettlementShares	1600000	shares
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CY2019	dei	Amendment Flag AmendmentFlag	false
CY2019	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--02-02
CY2019	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2019	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
CY2019	dei	Document Period End Date DocumentPeriodEndDate	2019-02-02
CY2019	dei	Document Type DocumentType	10-K
CY2019	dei	Entity Central Index Key EntityCentralIndexKey	0000764478
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CY2019Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	267804388	shares
CY2019	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2019	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2019	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
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CY2019	dei	Entity Registrant Name EntityRegistrantName	BEST BUY CO INC
CY2019	dei	Entity Shell Company EntityShellCompany	false
CY2019	dei	Entity Small Business EntitySmallBusiness	false
CY2019	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2019	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
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CY2018Q1	us-gaap	Assets Assets	13049000000	USD
CY2019Q1	us-gaap	Assets Assets	12901000000	USD
CY2018Q1	us-gaap	Assets Current AssetsCurrent	9829000000	USD
CY2019Q1	us-gaap	Assets Current AssetsCurrent	8870000000	USD
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CY2019Q1	us-gaap	Business Combination Provisional Information Initial Accounting Incomplete Adjustment Intangibles BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentIntangibles	2000000	USD
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CY2019Q1	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Assets BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets	920000000	USD
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CY2019Q1	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Assets BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets	32000000	USD
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CY2019Q1	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Liabilities BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities	55000000	USD
CY2018Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Intangibles BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles	371000000	USD
CY2019Q1	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Intangibles BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles	373000000	USD
CY2018Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Liabilities BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities	128000000	USD
CY2019Q1	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Liabilities BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities	125000000	USD
CY2018Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Noncurrent Assets BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentAssets	27000000	USD
CY2019Q1	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Noncurrent Assets BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentAssets	25000000	USD
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CY2019Q1	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Noncurrent Liabilities BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilities	70000000	USD
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CY2019Q1	us-gaap	Capital Leased Assets Gross CapitalLeasedAssetsGross	579000000	USD
CY2019Q1	us-gaap	Capital Leases Future Minimum Payments Due CapitalLeasesFutureMinimumPaymentsDue	45000000	USD
CY2019Q1	us-gaap	Capital Leases Future Minimum Payments Due Current CapitalLeasesFutureMinimumPaymentsDueCurrent	14000000	USD
CY2019Q1	us-gaap	Capital Leases Future Minimum Payments Due In Five Years CapitalLeasesFutureMinimumPaymentsDueInFiveYears	2000000	USD
CY2019Q1	us-gaap	Capital Leases Future Minimum Payments Due In Four Years CapitalLeasesFutureMinimumPaymentsDueInFourYears	4000000	USD
CY2019Q1	us-gaap	Capital Leases Future Minimum Payments Due In Three Years CapitalLeasesFutureMinimumPaymentsDueInThreeYears	7000000	USD
CY2019Q1	us-gaap	Capital Leases Future Minimum Payments Due In Two Years CapitalLeasesFutureMinimumPaymentsDueInTwoYears	11000000	USD
CY2019Q1	us-gaap	Capital Leases Future Minimum Payments Due Thereafter CapitalLeasesFutureMinimumPaymentsDueThereafter	7000000	USD
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CY2019Q1	us-gaap	Capital Leases Future Minimum Sublease Rentals CapitalLeasesFutureMinimumSubleaseRentals	71000000	USD
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CY2019	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	8000000	USD
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CY2018Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1101000000	USD
CY2019Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1980000000	USD
CY2016Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2161000000	USD
CY2017Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2433000000	USD
CY2018Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1300000000	USD
CY2019Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2184000000	USD
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CY2019Q1	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	1410000000	USD
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CY2019Q1	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	265703000	shares
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CY2019Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	265703000	shares
CY2018Q1	us-gaap	Common Stock Value CommonStockValue	28000000	USD
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CY2018Q1	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	22000000	USD
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CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	275000000	USD
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CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	414000000	USD
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CY2019	us-gaap	Deferred Compensation Arrangement With Individual Contributions By Employer DeferredCompensationArrangementWithIndividualContributionsByEmployer	67000000	USD
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CY2019Q1	us-gaap	Deferred Compensation Liability Classified Noncurrent DeferredCompensationLiabilityClassifiedNoncurrent	23000000	USD
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CY2019Q1	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	44000000	USD
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CY2019Q1	us-gaap	Deferred Rent Credit Noncurrent DeferredRentCreditNoncurrent	99000000	USD
CY2018Q1	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	453000000	USD
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CY2018Q1	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	22000000	USD
CY2019Q1	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	11000000	USD
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CY2018Q1	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	488000000	USD
CY2019Q1	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	419000000	USD
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CY2019Q1	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	328000000	USD
CY2018Q1	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	120000000	USD
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CY2018Q1	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	38000000	USD
CY2018Q1	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	99000000	USD
CY2019Q1	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	91000000	USD
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CY2019	us-gaap	Depreciation Depreciation	747000000	USD
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CY2019Q1	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	373000000	USD
CY2018Q1	us-gaap	Fixtures And Equipment Gross FixturesAndEquipmentGross	5410000000	USD
CY2019Q1	us-gaap	Fixtures And Equipment Gross FixturesAndEquipmentGross	5865000000	USD
CY2017	us-gaap	Gain Loss On Sale Of Equity Investments GainLossOnSaleOfEquityInvestments	3000000	USD
CY2018	us-gaap	Gain Loss On Sale Of Equity Investments GainLossOnSaleOfEquityInvestments	1000000	USD
CY2019	us-gaap	Gain Loss On Sale Of Equity Investments GainLossOnSaleOfEquityInvestments	12000000	USD
CY2018Q1	us-gaap	Goodwill Goodwill	425000000	USD
CY2019Q1	us-gaap	Goodwill Goodwill	915000000	USD
	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	496000000	USD
CY2019	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	490000000	USD
CY2018Q1	us-gaap	Goodwill Gross GoodwillGross	1100000000	USD
CY2019Q1	us-gaap	Goodwill Gross GoodwillGross	1590000000	USD
CY2018Q1	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	675000000	USD
CY2019Q1	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	675000000	USD
CY2017	us-gaap	Gross Profit GrossProfit	9440000000	USD
CY2017Q2	us-gaap	Gross Profit GrossProfit	2022000000	USD
CY2017Q3	us-gaap	Gross Profit GrossProfit	2153000000	USD
CY2017Q4	us-gaap	Gross Profit GrossProfit	2280000000	USD
	us-gaap	Gross Profit GrossProfit	3421000000	USD
CY2018	us-gaap	Gross Profit GrossProfit	9876000000	USD
CY2018Q2	us-gaap	Gross Profit GrossProfit	2125000000	USD
CY2018Q3	us-gaap	Gross Profit GrossProfit	2229000000	USD
CY2018Q4	us-gaap	Gross Profit GrossProfit	2324000000	USD
CY2019Q1	us-gaap	Gross Profit GrossProfit	3283000000	USD
CY2019	us-gaap	Gross Profit GrossProfit	9961000000	USD
CY2017	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	1207000000	USD
CY2017Q2	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	188000000	USD
CY2017Q3	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	209000000	USD
CY2017Q4	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	238000000	USD
	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	364000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	999000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	1464000000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	1507000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	1480000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	1574000000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	309000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	337000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	314000000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	1816000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	1817000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	1888000000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	3.79
CY2018	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	3.33
CY2019	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	5.30
CY2017	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	3.74
CY2018	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	3.26
CY2019	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	5.20
CY2017	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	21000000	USD
CY2017Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	0	USD
CY2017Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	0	USD
CY2017Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	1000000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	0	USD
CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	1000000	USD
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	0	USD
CY2017	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.07
CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.00
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.00
CY2017	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.07
CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.00
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.00
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	609000000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	818000000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	424000000	USD
CY2017	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-46000000	USD
CY2018	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-85000000	USD
CY2019	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	0	USD
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	635000000	USD
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	613000000	USD
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	396000000	USD
CY2017	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-18000000	USD
CY2018	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-37000000	USD
CY2019	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-7000000	USD
CY2017	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	38000000	USD
CY2018	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	44000000	USD
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	58000000	USD
CY2017	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	628000000	USD
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	366000000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	391000000	USD
CY2017	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	518000000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-196000000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	432000000	USD
CY2017	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-213000000	USD
CY2018	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	290000000	USD
CY2019	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	22000000	USD
CY2017	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-199000000	USD
CY2018	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	335000000	USD
CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	194000000	USD
CY2017	us-gaap	Increase Decrease In Other Accrued Liabilities IncreaseDecreaseInOtherAccruedLiabilities	23000000	USD
CY2018	us-gaap	Increase Decrease In Other Accrued Liabilities IncreaseDecreaseInOtherAccruedLiabilities	117000000	USD
CY2019	us-gaap	Increase Decrease In Other Accrued Liabilities IncreaseDecreaseInOtherAccruedLiabilities	-234000000	USD
CY2017	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-10000000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	21000000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	34000000	USD
CY2017	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	193000000	USD
CY2018	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-315000000	USD
CY2019	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-28000000	USD
CY2017	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	4100000	shares
CY2018	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	6700000	shares
CY2019	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	5000000	shares
CY2019Q1	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	18000000	USD
CY2017	us-gaap	Interest Expense InterestExpense	72000000	USD
CY2018	us-gaap	Interest Expense InterestExpense	75000000	USD
CY2019	us-gaap	Interest Expense InterestExpense	73000000	USD
CY2017	us-gaap	Interest Paid InterestPaid	76000000	USD
CY2018	us-gaap	Interest Paid InterestPaid	81000000	USD
CY2019	us-gaap	Interest Paid InterestPaid	71000000	USD
CY2018Q1	us-gaap	Inventory Net InventoryNet	5209000000	USD
CY2019Q1	us-gaap	Inventory Net InventoryNet	5409000000	USD
CY2017	us-gaap	Investment Income Net InvestmentIncomeNet	31000000	USD
CY2018	us-gaap	Investment Income Net InvestmentIncomeNet	48000000	USD
CY2019	us-gaap	Investment Income Net InvestmentIncomeNet	49000000	USD
CY2018Q1	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	2327000000	USD
CY2019Q1	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	2119000000	USD
CY2019Q1	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	92000000	USD
CY2018Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	13049000000	USD
CY2019Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	12901000000	USD
CY2018Q1	us-gaap	Liabilities Current LiabilitiesCurrent	7817000000	USD
CY2019Q1	us-gaap	Liabilities Current LiabilitiesCurrent	7513000000	USD
CY2019Q1	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	1250000000	USD
CY2018Q1	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	811000000	USD
CY2019Q1	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	1332000000	USD
CY2018Q1	us-gaap	Long Term Debt Current LongTermDebtCurrent	544000000	USD
CY2019Q1	us-gaap	Long Term Debt Current LongTermDebtCurrent	56000000	USD
CY2019Q1	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	525000000	USD
CY2019Q1	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	0	USD
CY2019Q1	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	0	USD
CY2019Q1	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	0	USD
CY2019Q1	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	650000000	USD
CY2019Q1	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	0	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-877000000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1418000000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-2297000000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-2018000000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1002000000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	508000000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2557000000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2141000000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2408000000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	1228000000	USD
CY2017Q2	us-gaap	Net Income Loss NetIncomeLoss	188000000	USD
CY2017Q3	us-gaap	Net Income Loss NetIncomeLoss	209000000	USD
CY2017Q4	us-gaap	Net Income Loss NetIncomeLoss	239000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	364000000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	1000000000	USD
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	208000000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	244000000	USD
CY2018Q4	us-gaap	Net Income Loss NetIncomeLoss	277000000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	735000000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	1464000000	USD
CY2017	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	1207000000	USD
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	999000000	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	1464000000	USD
CY2019	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	2	segments
CY2019	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segments
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	1854000000	USD
CY2017Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	300000000	USD
CY2017Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	321000000	USD
CY2017Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	350000000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	872000000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	1843000000	USD
CY2018Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	265000000	USD
CY2018Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	335000000	USD
CY2018Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	322000000	USD
CY2019Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	978000000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	1900000000	USD
CY2019Q1	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	2961000000	USD
CY2019Q1	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	700000000	USD
CY2019Q1	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	253000000	USD
CY2019Q1	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	371000000	USD
CY2019Q1	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	513000000	USD
CY2019Q1	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	648000000	USD
CY2019Q1	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	476000000	USD
CY2017	us-gaap	Operating Leases Rent Expense Minimum Rentals OperatingLeasesRentExpenseMinimumRentals	790000000	USD
CY2018	us-gaap	Operating Leases Rent Expense Minimum Rentals OperatingLeasesRentExpenseMinimumRentals	798000000	USD
CY2019	us-gaap	Operating Leases Rent Expense Minimum Rentals OperatingLeasesRentExpenseMinimumRentals	783000000	USD
CY2017	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	774000000	USD
CY2018	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	782000000	USD
CY2019	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	768000000	USD
CY2017	us-gaap	Operating Leases Rent Expense Sublease Rentals1 OperatingLeasesRentExpenseSubleaseRentals1	16000000	USD
CY2018	us-gaap	Operating Leases Rent Expense Sublease Rentals1 OperatingLeasesRentExpenseSubleaseRentals1	16000000	USD
CY2019	us-gaap	Operating Leases Rent Expense Sublease Rentals1 OperatingLeasesRentExpenseSubleaseRentals1	15000000	USD
CY2018Q1	us-gaap	Other Assets Current OtherAssetsCurrent	438000000	USD
CY2019Q1	us-gaap	Other Assets Current OtherAssetsCurrent	466000000	USD
CY2018Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	374000000	USD
CY2019Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	606000000	USD
CY2018Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	355000000	USD
CY2017	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	10000000	USD
CY2018	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	35000000	USD
CY2019	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-20000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax	2000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax	0	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax	0	USD
CY2018Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	809000000	USD
CY2019Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	750000000	USD
CY2017	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	17000000	USD
CY2018	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	13000000	USD
CY2019	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	25000000	USD
CY2017	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-59000000	USD
CY2018	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	7000000	USD
CY2019	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-16000000	USD
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	698000000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	2004000000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1505000000	USD
CY2017	us-gaap	Payments Of Dividends PaymentsOfDividends	505000000	USD
CY2018	us-gaap	Payments Of Dividends PaymentsOfDividends	409000000	USD
CY2019	us-gaap	Payments Of Dividends PaymentsOfDividends	497000000	USD
	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	800000000	USD
CY2019	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	795000000	USD
CY2017	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2018	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	792000000	USD
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	787000000	USD
CY2017	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	3045000000	USD
CY2018	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	4325000000	USD
CY2019	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	0	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	580000000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	688000000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	819000000	USD
CY2018Q1	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1.00
CY2019Q1	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1.00
CY2018Q1	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	400000	shares
CY2019Q1	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	400000	shares
CY2018Q1	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2019Q1	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2018Q1	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2019Q1	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2018Q1	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2019Q1	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2017	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	171000000	USD
CY2018	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	163000000	USD
CY2019	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	38000000	USD
CY2017	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2018	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	498000000	USD
CY2017	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	8000000	USD
CY2018	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-1000000	USD
CY2019	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-6000000	USD
CY2017	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	2689000000	USD
CY2018	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	4018000000	USD
CY2019	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	2098000000	USD
CY2017	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	164000000	USD
CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	156000000	USD
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	30000000	USD
CY2018Q1	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	8700000000	USD
CY2019Q1	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	9200000000	USD
CY2017Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2293000000	USD
CY2018Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2421000000	USD
CY2019Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2510000000	USD
CY2018Q1	us-gaap	Receivables Net Current ReceivablesNetCurrent	1049000000	USD
CY2019Q1	us-gaap	Receivables Net Current ReceivablesNetCurrent	1015000000	USD
CY2017	us-gaap	Repayments Of Debt RepaymentsOfDebt	394000000	USD
CY2018	us-gaap	Repayments Of Debt RepaymentsOfDebt	46000000	USD
CY2019	us-gaap	Repayments Of Debt RepaymentsOfDebt	546000000	USD
CY2017	us-gaap	Restructuring Charges RestructuringCharges	39000000	USD
CY2017Q2	us-gaap	Restructuring Charges RestructuringCharges	0	USD
CY2017Q3	us-gaap	Restructuring Charges RestructuringCharges	2000000	USD
CY2017Q4	us-gaap	Restructuring Charges RestructuringCharges	2000000	USD
	us-gaap	Restructuring Charges RestructuringCharges	10000000	USD
CY2018	us-gaap	Restructuring Charges RestructuringCharges	10000000	USD
CY2018Q2	us-gaap	Restructuring Charges RestructuringCharges	30000000	USD
CY2018Q3	us-gaap	Restructuring Charges RestructuringCharges	17000000	USD
CY2018Q4	us-gaap	Restructuring Charges RestructuringCharges	0	USD
CY2019Q1	us-gaap	Restructuring Charges RestructuringCharges	1000000	USD
CY2019	us-gaap	Restructuring Charges RestructuringCharges	46000000	USD
CY2017	us-gaap	Restructuring Costs RestructuringCosts	39000000	USD
CY2018	us-gaap	Restructuring Costs RestructuringCosts	10000000	USD
CY2019	us-gaap	Restructuring Costs RestructuringCosts	46000000	USD
CY2018Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	3270000000	USD
CY2019Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	2985000000	USD
CY2018Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	3343000000	USD
CY2017	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	39403000000	USD
CY2017Q2	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	8528000000	USD
CY2017Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	8940000000	USD
CY2017Q4	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	9320000000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	15363000000	USD
CY2018	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	42151000000	USD
CY2018Q2	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	9109000000	USD
CY2018Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	9379000000	USD
CY2018Q4	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	9590000000	USD
CY2019Q1	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	14801000000	USD
CY2019	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	42879000000	USD
CY2017	us-gaap	Revenue Recognition Milestone Method Revenue Recognized RevenueRecognitionMilestoneMethodRevenueRecognized	37000000	USD
CY2018	us-gaap	Revenue Recognition Milestone Method Revenue Recognized RevenueRecognitionMilestoneMethodRevenueRecognized	40000000	USD
CY2019	us-gaap	Revenue Recognition Milestone Method Revenue Recognized RevenueRecognitionMilestoneMethodRevenueRecognized	34000000	USD
CY2019Q1	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	14000000	USD
CY2019Q1	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	7000000	USD
CY2019Q1	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	3000000	USD
CY2019Q1	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	1000000	USD
CY2019Q1	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P1Y
CY2019Q1	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P1Y
CY2019Q1	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P1Y
CY2019Q1	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P1Y
CY2017	us-gaap	Revenues Revenues	39403000000	USD
CY2018	us-gaap	Revenues Revenues	42151000000	USD
CY2019	us-gaap	Revenues Revenues	42879000000	USD
CY2018Q1	us-gaap	Self Insurance Reserve SelfInsuranceReserve	131000000	USD
CY2019Q1	us-gaap	Self Insurance Reserve SelfInsuranceReserve	129000000	USD
CY2018Q1	us-gaap	Self Insurance Reserve Current SelfInsuranceReserveCurrent	67000000	USD
CY2019Q1	us-gaap	Self Insurance Reserve Current SelfInsuranceReserveCurrent	69000000	USD
CY2018Q1	us-gaap	Self Insurance Reserve Noncurrent SelfInsuranceReserveNoncurrent	64000000	USD
CY2019Q1	us-gaap	Self Insurance Reserve Noncurrent SelfInsuranceReserveNoncurrent	60000000	USD
CY2017	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	7547000000	USD
CY2018	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	8023000000	USD
CY2019	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	8015000000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	108000000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	129000000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	123000000	USD
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.035
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.030
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.027
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.37
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.38
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.39
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Maximum ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum	0.02
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Maximum ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum	0.026
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Maximum ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum	0.028
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Minimum ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum	0.005
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Minimum ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum	0.009
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	33.01
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	66.59
CY2019Q1	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Exercisable Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions	2006000	shares
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y0M
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y0M
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y6M
CY2019Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	57000000	USD
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P4Y10M28D
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P4Y10M28D
CY2019Q1	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1	30.21
CY2019	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Remaining Contractual Term2 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2	P4Y3M14D
CY2018Q1	us-gaap	Short Term Investments ShortTermInvestments	2032000000	USD
CY2019Q1	us-gaap	Short Term Investments ShortTermInvestments	0	USD
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Minimum ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum	0.019
CY2019Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	22500000	shares
CY2019Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	15200000	shares
CY2019Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	2000000	shares
CY2019Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	30.21
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	55000000	USD
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	57000000	USD
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	33000000	USD
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	3000	shares
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	161000	shares
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	8.04
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	12.52
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	20.34
CY2019Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	60000000	USD
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	3069000	shares
CY2019Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2358000	shares
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	32.32
CY2019Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	33.47
CY2019Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue	60000000	USD
CY2019Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	2358000	shares
CY2019Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	33.47
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	35.54
CY2019	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	869000	shares
CY2018Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	3612000000	USD
CY2019Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	3306000000	USD
CY2016Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	469000000	USD
CY2017Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	374000000	USD
CY2018Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	279000000	USD
CY2019Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	300000000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	144000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	126000000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	12000000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	12000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	12000000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	1000000	USD
CY2017Q1	us-gaap	Unrecognized Tax Benefits Income Tax Penalties Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued	1000000	USD
CY2018Q1	us-gaap	Unrecognized Tax Benefits Income Tax Penalties Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued	0	USD
CY2019Q1	us-gaap	Unrecognized Tax Benefits Income Tax Penalties Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued	0	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	55000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	29000000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	36000000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	11000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	19000000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	4000000	USD
CY2017Q1	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	61000000	USD
CY2018Q1	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	42000000	USD
CY2019Q1	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	53000000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Expense UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense	9000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Expense UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense	10000000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Expense UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense	10000000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	5000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	5000000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	6000000	USD
CY2017Q1	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	346000000	USD
CY2018Q1	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	263000000	USD
CY2019Q1	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	282000000	USD
CY2019	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	8000000	USD
CY2018Q1	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	37000000	USD
CY2019Q1	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	23000000	USD
CY2019	us-gaap	Valuation Allowances And Reserves Charged To Cost And Expense ValuationAllowancesAndReservesChargedToCostAndExpense	35000000	USD
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	322600000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	307100000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	281400000	shares
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	318500000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	300400000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	276400000	shares
CY2019	us-gaap	Fiscal Period FiscalPeriod	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Fiscal Year<br clear="none"/> <br clear="none"/></font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Our fiscal year ends on the Saturday nearest the end of January. Fiscal 2019 and fiscal 2017 included </font><font style="font-family:inherit;font-size:10pt;">52</font><font style="font-family:inherit;font-size:10pt;"> weeks and fiscal 2018 included </font><font style="font-family:inherit;font-size:10pt;">53</font><font style="font-family:inherit;font-size:10pt;"> weeks, with the additional week occurring in the fourth quarter.</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></div>
CY2019	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Use of Estimates in the Preparation of Financial Statements</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The preparation of financial statements in conformity with accounting principles generally accepted in the U.S. ("GAAP") requires us to make estimates and assumptions. These estimates and assumptions affect the reported amounts in the consolidated financial statements, as well as the disclosure of contingent liabilities. Future results could be materially affected if actual results were to differ from these estimates and assumptions.</font></div></div>

Files In Submission

Name	View Source	Status
R36.htm	Edgar Link	pending
0000764478-19-000009-index-headers.html	Edgar Link	pending
0000764478-19-000009-index.html	Edgar Link	pending
0000764478-19-000009.txt	Edgar Link	pending
0000764478-19-000009-xbrl.zip	Edgar Link	pending
bby-20190202.xml	Edgar Link	completed
bby-20190202.xsd	Edgar Link	pending
bby-20190202_cal.xml	Edgar Link	unprocessable
bby-20190202_def.xml	Edgar Link	unprocessable
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bby-20190202_pre.xml	Edgar Link	unprocessable
bby-2019ex211.htm	Edgar Link	pending
bby-2019ex231.htm	Edgar Link	pending
bby-2019ex311.htm	Edgar Link	pending
bby-2019ex312.htm	Edgar Link	pending
bby-2019ex321.htm	Edgar Link	pending
bby-2019ex322.htm	Edgar Link	pending
bby-2019x10k.htm	Edgar Link	pending
bestbuylogoprimaryrgba07.jpg	Edgar Link	pending
coriebarrysignaturea03.jpg	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
fsclogo18.jpg	Edgar Link	pending
graphpicturev4.jpg	Edgar Link	pending
jolysignature18.jpg	Edgar Link	pending
R1.htm	Edgar Link	pending
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$BBY
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2019 Q1 Form 10-K Financial Statement

#000076447819000009 Filed on March 28, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$BBY BEST BUY CO INC Stock $bby

2019 Q1 Form 10-K Financial Statement

#000076447819000009 Filed on March 28, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$BBY
BEST BUY CO INC Stock $bby