$CTSH
COGNIZANT TECHNOLOGY SOLUTIONS CORP Stock $ctsh

$ctsh Overview Financials Valuation SEC Filings Company Website

2017 Form 10-K Financial Statement

#000105829018000009 Filed on February 27, 2018

Income Statement

Concept	2017	2016 Q4	2016 Q3
Revenue	$14.81B	$3.462B	$3.453B
YoY Change	9.81%	7.08%	8.35%
Cost Of Revenue	$8.920B	$2.003B	$2.070B
YoY Change	11.15%	6.87%	6.04%
Gross Profit	$5.890B	$1.459B	$1.383B
YoY Change	7.84%	7.41%	12.01%
Gross Profit Margin	39.77%	42.15%	40.06%
Selling, General & Admin	$2.697B	$730.0M	$701.0M
YoY Change	-1.24%	10.77%	11.8%
% of Gross Profit	45.79%	50.02%	50.68%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$443.0M	$101.0M	$97.00M
YoY Change	16.89%	14.77%	17.72%
% of Gross Profit	7.52%	6.92%	7.01%
Operating Expenses	$2.697B	$730.0M	$701.0M
YoY Change	-1.24%	10.77%	11.8%
Operating Profit	$2.481B	$561.0M	$583.0M
YoY Change	8.39%	1.45%	7.37%
Interest Expense	$23.00M	-$77.10M	$5.000M
YoY Change	21.05%	60.63%	16.28%
% of Operating Profit	0.93%	-13.74%	0.86%
Other Income/Expense, Net	$174.0M	$300.0K	$30.00M
YoY Change	155.88%	-127.27%	14900.0%
Pretax Income	$810.0M	$560.4M	$613.0M
YoY Change	7.71%	-0.14%	12.89%
Income Tax	$1.153B	$145.8M	$170.0M
% Of Pretax Income	142.35%	26.02%	27.73%
Net Earnings	$1.504B	$416.0M	$444.0M
YoY Change	-3.16%	-1.89%	11.84%
Net Earnings / Revenue	10.16%	12.02%	12.86%
Basic Earnings Per Share	$2.54	$0.69	$0.73
Diluted Earnings Per Share	$2.53	$0.68	$0.73
COMMON SHARES
Basic Shares Outstanding	593.0M shares	606.7M shares	606.0M shares
Diluted Shares Outstanding	595.0M shares		609.0M shares

Balance Sheet

Concept	2017	2016 Q4	2016 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$5.056B	$5.169B	$4.859B
YoY Change	-2.19%	4.45%	19.95%
Cash & Equivalents	$1.925B	$2.034B	$1.550B
Short-Term Investments	$3.131B	$3.135B	$3.308B
Other Short-Term Assets	$833.0M	$526.0M	$425.5M
YoY Change	58.37%	55.62%	60.75%
Inventory
Prepaid Expenses
Receivables	$3.222B	$2.556B	$2.492B
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$9.111B	$8.600B	$8.200B
YoY Change	5.94%	8.74%	13.29%
LONG-TERM ASSETS
Property, Plant & Equipment	$1.324B	$1.311B	$1.323B
YoY Change	0.99%	3.15%	3.47%
Goodwill		$2.554B	$2.482B
YoY Change		6.2%	3.26%
Intangibles		$951.0M	$936.9M
YoY Change		10.07%	6.3%
Long-Term Investments	$235.0M	$57.00M	$60.60M
YoY Change	279.03%
Other Assets	$866.0M	$359.0M	$328.8M
YoY Change	10.46%	35.98%	25.45%
Total Long-Term Assets	$6.110B	$5.662B	$5.517B
YoY Change	7.91%	9.9%	9.69%
TOTAL ASSETS
Total Short-Term Assets	$9.111B	$8.600B	$8.200B
Total Long-Term Assets	$6.110B	$5.662B	$5.517B
Total Assets	$15.22B	$14.26B	$13.72B
YoY Change	6.72%	9.2%	11.81%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$210.0M	$175.0M	$171.5M
YoY Change	20.0%	6.06%	7.12%
Accrued Expenses	$1.693B	$1.527B	$1.478B
YoY Change	10.87%	-5.04%	6.48%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$175.0M	$81.00M	$75.00M
YoY Change	116.05%	-80.05%	50.0%
Total Short-Term Liabilities	$2.839B	$2.418B	$2.301B
YoY Change	17.41%	-10.91%	8.1%
LONG-TERM LIABILITIES
Long-Term Debt	$698.0M	$797.0M	$821.6M
YoY Change	-12.42%	-9.12%	-8.71%
Other Long-Term Liabilities	$869.0M	$162.0M	$140.1M
YoY Change	177.64%	15.71%	8.44%
Total Long-Term Liabilities	$1.567B	$959.0M	$961.7M
YoY Change	41.17%	-5.7%	-6.56%
TOTAL LIABILITIES
Total Short-Term Liabilities	$2.839B	$2.418B	$2.301B
Total Long-Term Liabilities	$1.567B	$959.0M	$961.7M
Total Liabilities	$4.552B	$3.534B	$3.424B
YoY Change	28.81%	-6.58%	-0.47%
SHAREHOLDERS EQUITY
Retained Earnings		$10.48B	$10.06B
YoY Change		17.4%	18.37%
Common Stock		$6.000M	$6.100M
YoY Change		0.0%	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$10.67B	$10.73B	$10.29B
YoY Change
Total Liabilities & Shareholders Equity	$15.22B	$14.26B	$13.72B
YoY Change	6.72%	9.2%	11.81%

Cashflow Statement

Concept	2017	2016 Q4	2016 Q3
OPERATING ACTIVITIES
Net Income	$1.504B	$416.0M	$444.0M
YoY Change	-3.16%	-1.89%	11.84%
Depreciation, Depletion And Amortization	$443.0M	$101.0M	$97.00M
YoY Change	16.89%	14.77%	17.72%
Cash From Operating Activities	$2.407B	$604.0M	$603.0M
YoY Change	46.32%	-12.46%	-26.27%
INVESTING ACTIVITIES
Capital Expenditures	$284.0M	-$87.00M	-$74.00M
YoY Change	-5.33%	17.41%	13.67%
Acquisitions	$216.0M
YoY Change
Other Investing Activities	-$298.0M	-$3.000M	-$539.0M
YoY Change	-55.05%	-98.87%	382.11%
Cash From Investing Activities	-$582.0M	-$90.00M	-$613.0M
YoY Change	-39.56%	-73.54%	246.52%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$1.889B
YoY Change	268.95%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-$1.985B	5.000M	-127.0M
YoY Change	167.16%	-98.37%	-48.89%
NET CHANGE
Cash From Operating Activities	$2.407B	604.0M	603.0M
Cash From Investing Activities	-$582.0M	-90.00M	-613.0M
Cash From Financing Activities	-$1.985B	5.000M	-127.0M
Net Change In Cash	-$160.0M	519.0M	-137.0M
YoY Change	162.3%	-20.96%	-134.9%
FREE CASH FLOW
Cash From Operating Activities	$2.407B	$604.0M	$603.0M
Capital Expenditures	$284.0M	-$87.00M	-$74.00M
Free Cash Flow	$2.123B	$691.0M	$677.0M
YoY Change	57.84%	-9.57%	-23.33%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2017Q4	ctsh	Available For Sale Securities Debt Maturities Rolling After Year One Through Two Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearOneThroughTwoFairValue	450000000	USD
CY2017Q4	ctsh	Available For Sale Securities Debt Maturities Rolling After Year Three Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearThreeAmortizedCost	86000000	USD
CY2017Q4	ctsh	Customer Volumeand Other Incentives Current CustomerVolumeandOtherIncentivesCurrent	289000000	USD
CY2016Q4	ctsh	Deferred Income Tax Related To Mat DeferredIncomeTaxRelatedToMat	286000000	USD
CY2016Q4	ctsh	Accrued Travel And Entertainment Current AccruedTravelAndEntertainmentCurrent	36000000	USD
CY2017Q4	ctsh	Accrued Travel And Entertainment Current AccruedTravelAndEntertainmentCurrent	32000000	USD
CY2015	ctsh	Amortization Expense Recorded As Reduction Of Revenues AmortizationExpenseRecordedAsReductionOfRevenues	5000000	USD
CY2016	ctsh	Amortization Expense Recorded As Reduction Of Revenues AmortizationExpenseRecordedAsReductionOfRevenues	20000000	USD
CY2017	ctsh	Amortization Expense Recorded As Reduction Of Revenues AmortizationExpenseRecordedAsReductionOfRevenues	35000000	USD
CY2017Q4	ctsh	Available For Sale Securities Debt Maturities Rolling After Year One Through Two Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearOneThroughTwoAmortizedCost	454000000	USD
CY2017Q4	ctsh	Available For Sale Securities Debt Maturities Rolling After Year Three Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearThreeFairValue	86000000	USD
CY2017Q4	ctsh	Available For Sale Securities Debt Maturities Rolling After Year Two Through Three Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTwoThroughThreeAmortizedCost	556000000	USD
CY2017Q4	ctsh	Available For Sale Securities Debt Maturities Rolling After Year Two Through Three Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTwoThroughThreeFairValue	551000000	USD
CY2016Q4	ctsh	Customer Volumeand Other Incentives Current CustomerVolumeandOtherIncentivesCurrent	258000000	USD
CY2017Q4	ctsh	Deferred Income Tax Related To Mat DeferredIncomeTaxRelatedToMat	278000000	USD
CY2016Q4	ctsh	Deferred Tax Liabilities Depreciationand Amortization DeferredTaxLiabilitiesDepreciationandAmortization	266000000	USD
CY2017Q4	ctsh	Deferred Tax Liabilities Depreciationand Amortization DeferredTaxLiabilitiesDepreciationandAmortization	209000000	USD
CY2015	ctsh	Depreciation Depletionand Amortization Nonproductionand Production DepreciationDepletionandAmortizationNonproductionandProduction	325000000	USD
CY2016Q1	ctsh	Depreciation Depletionand Amortization Nonproductionand Production DepreciationDepletionandAmortizationNonproductionandProduction	87000000	USD
CY2016Q2	ctsh	Depreciation Depletionand Amortization Nonproductionand Production DepreciationDepletionandAmortizationNonproductionandProduction	87000000	USD
CY2016Q3	ctsh	Depreciation Depletionand Amortization Nonproductionand Production DepreciationDepletionandAmortizationNonproductionandProduction	92000000	USD
CY2016Q4	ctsh	Depreciation Depletionand Amortization Nonproductionand Production DepreciationDepletionandAmortizationNonproductionandProduction	93000000	USD
CY2016	ctsh	Depreciation Depletionand Amortization Nonproductionand Production DepreciationDepletionandAmortizationNonproductionandProduction	359000000	USD
CY2017Q1	ctsh	Depreciation Depletionand Amortization Nonproductionand Production DepreciationDepletionandAmortizationNonproductionandProduction	96000000	USD
CY2017Q2	ctsh	Depreciation Depletionand Amortization Nonproductionand Production DepreciationDepletionandAmortizationNonproductionandProduction	94000000	USD
CY2017Q3	ctsh	Depreciation Depletionand Amortization Nonproductionand Production DepreciationDepletionandAmortizationNonproductionandProduction	107000000	USD
CY2017Q4	ctsh	Depreciation Depletionand Amortization Nonproductionand Production DepreciationDepletionandAmortizationNonproductionandProduction	111000000	USD
CY2017	ctsh	Depreciation Depletionand Amortization Nonproductionand Production DepreciationDepletionandAmortizationNonproductionandProduction	408000000	USD
CY2015	ctsh	Effective Income Tax Rate Reconciliation Sharebased Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationSharebasedCompensationExcessTaxBenefitAmount	34000000	USD
CY2016	ctsh	Effective Income Tax Rate Reconciliation Sharebased Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationSharebasedCompensationExcessTaxBenefitAmount	24000000	USD
CY2017Q1	ctsh	Effective Income Tax Rate Reconciliation Sharebased Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationSharebasedCompensationExcessTaxBenefitAmount	6000000	USD
CY2017Q2	ctsh	Effective Income Tax Rate Reconciliation Sharebased Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationSharebasedCompensationExcessTaxBenefitAmount	5000000	USD
CY2017Q3	ctsh	Effective Income Tax Rate Reconciliation Sharebased Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationSharebasedCompensationExcessTaxBenefitAmount	5000000	USD
CY2017Q4	ctsh	Effective Income Tax Rate Reconciliation Sharebased Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationSharebasedCompensationExcessTaxBenefitAmount	24000000	USD
CY2017	ctsh	Effective Income Tax Rate Reconciliation Sharebased Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationSharebasedCompensationExcessTaxBenefitAmount	40000000	USD
CY2017Q1	ctsh	Effective Income Tax Rate Reconciliation Sharebased Compensation Excess Tax Benefit Per Share Amount EffectiveIncomeTaxRateReconciliationSharebasedCompensationExcessTaxBenefitPerShareAmount	0.01
CY2017Q2	ctsh	Effective Income Tax Rate Reconciliation Sharebased Compensation Excess Tax Benefit Per Share Amount EffectiveIncomeTaxRateReconciliationSharebasedCompensationExcessTaxBenefitPerShareAmount	0.01
CY2017Q3	ctsh	Effective Income Tax Rate Reconciliation Sharebased Compensation Excess Tax Benefit Per Share Amount EffectiveIncomeTaxRateReconciliationSharebasedCompensationExcessTaxBenefitPerShareAmount	0.01
CY2017Q4	ctsh	Effective Income Tax Rate Reconciliation Sharebased Compensation Excess Tax Benefit Per Share Amount EffectiveIncomeTaxRateReconciliationSharebasedCompensationExcessTaxBenefitPerShareAmount	0.04
CY2017	ctsh	Effective Income Tax Rate Reconciliation Sharebased Compensation Excess Tax Benefit Per Share Amount EffectiveIncomeTaxRateReconciliationSharebasedCompensationExcessTaxBenefitPerShareAmount	0.07
CY2015	ctsh	Effective Income Tax Rate Reconciliation Tax Cutsand Jobs Actof2017 Amount EffectiveIncomeTaxRateReconciliationTaxCutsandJobsActof2017Amount	0	USD
CY2016	ctsh	Effective Income Tax Rate Reconciliation Tax Cutsand Jobs Actof2017 Amount EffectiveIncomeTaxRateReconciliationTaxCutsandJobsActof2017Amount	0	USD
CY2017	ctsh	Effective Income Tax Rate Reconciliation Tax Cutsand Jobs Actof2017 Amount EffectiveIncomeTaxRateReconciliationTaxCutsandJobsActof2017Amount	617000000	USD
CY2015	ctsh	Effective Income Tax Rate Reconciliation Tax Cutsand Jobs Actof2017 Percent EffectiveIncomeTaxRateReconciliationTaxCutsandJobsActof2017Percent	0.000
CY2016	ctsh	Effective Income Tax Rate Reconciliation Tax Cutsand Jobs Actof2017 Percent EffectiveIncomeTaxRateReconciliationTaxCutsandJobsActof2017Percent	0.000
CY2017	ctsh	Effective Income Tax Rate Reconciliation Tax Cutsand Jobs Actof2017 Percent EffectiveIncomeTaxRateReconciliationTaxCutsandJobsActof2017Percent	0.232
CY2016Q4	ctsh	Equityand Cost Method Investments EquityandCostMethodInvestments	62000000	USD
CY2017Q4	ctsh	Equityand Cost Method Investments EquityandCostMethodInvestments	74000000	USD
CY2017	ctsh	Foreignand Other Tax Rateon India Repatriated Earnings Percent ForeignandOtherTaxRateonIndiaRepatriatedEarningsPercent	0.21
CY2017Q4	ctsh	Held To Maturity Securities Debt Securities Rolling After Year One Through Two Amortized Cost HeldToMaturitySecuritiesDebtSecuritiesRollingAfterYearOneThroughTwoAmortizedCost	155000000	USD
CY2017Q4	ctsh	Held To Maturity Securities Debt Securities Rolling After Year One Through Two Fair Value HeldToMaturitySecuritiesDebtSecuritiesRollingAfterYearOneThroughTwoFairValue	154000000	USD
CY2017Q4	ctsh	Held To Maturity Securities Debt Securities Rolling After Year Two Amortized Cost HeldToMaturitySecuritiesDebtSecuritiesRollingAfterYearTwoAmortizedCost	6000000	USD
CY2017Q4	ctsh	Held To Maturity Securities Debt Securities Rolling After Year Two Fair Value HeldToMaturitySecuritiesDebtSecuritiesRollingAfterYearTwoFairValue	6000000	USD
CY2017	ctsh	Income Tax Incentive Period Maximum IncomeTaxIncentivePeriodMaximum	P15Y
CY2017	ctsh	Leasehold For Land Lease Terms Maximum Years LeaseholdForLandLeaseTermsMaximumYears	P99Y
CY2016	ctsh	Minimum Alternative Tax Expiration Period MinimumAlternativeTaxExpirationPeriod	P10Y
CY2017	ctsh	Minimum Alternative Tax Expiration Period MinimumAlternativeTaxExpirationPeriod	P15Y
CY2017	ctsh	Minimum Alternative Tax Rate MinimumAlternativeTaxRate	0.213
CY2017	ctsh	Regular Corporate Income Tax Rate India RegularCorporateIncomeTaxRateIndia	0.346
CY2017Q4	ctsh	Tax Cutsand Jobs Actof2017 Incomplete Accounting Changein Tax Rate Deferred Tax Liability Provisional Income Tax Benefit TaxCutsandJobsActof2017IncompleteAccountingChangeinTaxRateDeferredTaxLiabilityProvisionalIncomeTaxBenefit	71000000	USD
CY2017Q4	ctsh	Tax Cutsand Jobs Actof2017 Incomplete Accounting Foreignand U.S.State Tax Applicable Upon Repatriationofthe Accumulated Undistributed Foreign Earnings Provisional Income Tax Expense TaxCutsandJobsActof2017IncompleteAccountingForeignandU.S.StateTaxApplicableUponRepatriationoftheAccumulatedUndistributedForeignEarningsProvisionalIncomeTaxExpense	53000000	USD
CY2017Q4	ctsh	Tax Cutsand Jobs Actof2017 Incomplete Accounting Provisional Income Tax Expense Benefit TaxCutsandJobsActof2017IncompleteAccountingProvisionalIncomeTaxExpenseBenefit	617000000	USD
CY2017Q4	ctsh	Tax Cutsand Jobs Actof2017 Incomplete Accounting Transition Taxfor Accumulated Foreign Earnings Provisional Income Tax Expense TaxCutsandJobsActof2017IncompleteAccountingTransitionTaxforAccumulatedForeignEarningsProvisionalIncomeTaxExpense	635000000	USD
CY2017Q4	ctsh	Tax Cutsand Jobs Actof2017 Incomplete Accounting Transition Taxfor Accumulated Foreign Earnings Provisional Liability Current TaxCutsandJobsActof2017IncompleteAccountingTransitionTaxforAccumulatedForeignEarningsProvisionalLiabilityCurrent	51000000	USD
CY2017	dei	Amendment Flag AmendmentFlag	false
CY2017	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2017	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2017	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2017
CY2017	dei	Document Period End Date DocumentPeriodEndDate	2017-12-31
CY2017	dei	Document Type DocumentType	10-K
CY2017	dei	Entity Central Index Key EntityCentralIndexKey	0001058290
CY2018Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	588051333	shares
CY2017	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2017	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2017Q2	dei	Entity Public Float EntityPublicFloat	39000000000	USD
CY2017	dei	Entity Registrant Name EntityRegistrantName	COGNIZANT TECHNOLOGY SOLUTIONS CORP
CY2017	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2017	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2017	dei	Trading Symbol TradingSymbol	CTSH
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CY2017Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	210000000	USD
CY2016Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	2556000000	USD
CY2017Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	2865000000	USD
CY2016Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	10000000	USD
CY2017Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	48000000	USD
CY2016Q4	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	0	USD
CY2017Q4	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	584000000	USD
CY2016Q4	us-gaap	Accrued Liabilities And Other Liabilities AccruedLiabilitiesAndOtherLiabilities	1856000000	USD
CY2017Q4	us-gaap	Accrued Liabilities And Other Liabilities AccruedLiabilitiesAndOtherLiabilities	2071000000	USD
CY2016Q4	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	99000000	USD
CY2017Q4	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	100000000	USD
CY2016Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	1313000000	USD
CY2017Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	1516000000	USD
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-114000000	USD
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	70000000	USD
CY2016Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	358000000	USD
CY2017Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	49000000	USD
CY2015	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	192000000	USD
CY2016	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	217000000	USD
CY2017	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	221000000	USD
CY2015	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	34000000	USD
CY2016	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	24000000	USD
CY2015	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	192000000	USD
CY2016	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	217000000	USD
CY2017	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	221000000	USD
CY2016Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	48000000	USD
CY2017Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	65000000	USD
CY2015	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	97000000	USD
CY2016	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	113000000	USD
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	130000000	USD
CY2016Q4	us-gaap	Amount Of Deferred Costs Related To Long Term Contracts AmountOfDeferredCostsRelatedToLongTermContracts	188000000	USD
CY2017Q4	us-gaap	Amount Of Deferred Costs Related To Long Term Contracts AmountOfDeferredCostsRelatedToLongTermContracts	267000000	USD
CY2016Q4	us-gaap	Assets Assets	14262000000	USD
CY2017Q4	us-gaap	Assets Assets	15221000000	USD
CY2016Q4	us-gaap	Assets Current AssetsCurrent	8600000000	USD
CY2017Q4	us-gaap	Assets Current AssetsCurrent	9111000000	USD
CY2017Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1983000000	USD
CY2016Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	1000000	USD
CY2017Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	0	USD
CY2016Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	7000000	USD
CY2017Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	11000000	USD
CY2016Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	2270000000	USD
CY2017Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	1983000000	USD
CY2016Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	0	USD
CY2017Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	4000000	USD
CY2016Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	7000000	USD
CY2017Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	11000000	USD
CY2016Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	1350000000	USD
CY2017Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	1527000000	USD
CY2016Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	7000000	USD
CY2017Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	7000000	USD
CY2016Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	1347000000	USD
CY2017Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	1165000000	USD
CY2016Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	3000000	USD
CY2017Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	362000000	USD
CY2016Q4	us-gaap	Available For Sale Securities Current AvailableForSaleSecuritiesCurrent	2264000000	USD
CY2017Q4	us-gaap	Available For Sale Securities Current AvailableForSaleSecuritiesCurrent	1972000000	USD
CY2017Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	590000000	USD
CY2017Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	590000000	USD
CY2017Q4	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost	297000000	USD
CY2017Q4	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	295000000	USD
CY2017Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1972000000	USD
CY2015	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	1000000	USD
CY2016	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	1000000	USD
CY2017	us-gaap	Available For Sale Securities Gross Realized Gain Loss Net AvailableForSaleSecuritiesGrossRealizedGainLossNet	-2000000	USD
CY2015	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	1000000	USD
CY2016	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	5000000	USD
CY2017	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	1000000	USD
CY2015	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	0	USD
CY2016	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	4000000	USD
CY2017	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	3000000	USD
CY2016Q4	us-gaap	Capital Leased Assets Gross CapitalLeasedAssetsGross	37000000	USD
CY2017Q4	us-gaap	Capital Leased Assets Gross CapitalLeasedAssetsGross	44000000	USD
CY2017Q4	us-gaap	Capital Leases Future Minimum Payments Due CapitalLeasesFutureMinimumPaymentsDue	51000000	USD
CY2017Q4	us-gaap	Capital Leases Future Minimum Payments Due Current CapitalLeasesFutureMinimumPaymentsDueCurrent	9000000	USD
CY2017Q4	us-gaap	Capital Leases Future Minimum Payments Due In Five Years CapitalLeasesFutureMinimumPaymentsDueInFiveYears	4000000	USD
CY2017Q4	us-gaap	Capital Leases Future Minimum Payments Due In Four Years CapitalLeasesFutureMinimumPaymentsDueInFourYears	4000000	USD
CY2017Q4	us-gaap	Capital Leases Future Minimum Payments Due In Three Years CapitalLeasesFutureMinimumPaymentsDueInThreeYears	5000000	USD
CY2017Q4	us-gaap	Capital Leases Future Minimum Payments Due In Two Years CapitalLeasesFutureMinimumPaymentsDueInTwoYears	6000000	USD
CY2017Q4	us-gaap	Capital Leases Future Minimum Payments Due Thereafter CapitalLeasesFutureMinimumPaymentsDueThereafter	23000000	USD
CY2017Q4	us-gaap	Capital Leases Future Minimum Payments Interest Included In Payments CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments	10000000	USD
CY2017Q4	us-gaap	Capital Leases Future Minimum Payments Present Value Of Net Minimum Payments CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments	41000000	USD
CY2016Q4	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	33000000	USD
CY2017Q4	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	40000000	USD
CY2014Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2010000000	USD
CY2015Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2125000000	USD
CY2016Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2034000000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1925000000	USD
CY2015	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	115000000	USD
CY2016	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-91000000	USD
CY2017	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-109000000	USD
CY2017	us-gaap	Cash Flow Hedge Gain Loss To Be Reclassified Within Twelve Months CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths	100000000	USD
CY2017	us-gaap	Cash Flow Hedge Ineffectiveness Is Immaterial CashFlowHedgeIneffectivenessIsImmaterial	Hedge ineffectiveness was immaterial for all periods presented.
CY2016Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2017Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2017Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.15
CY2017Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.15
CY2017Q4	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.15
CY2015	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0
CY2016	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0
CY2017	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.45
CY2016Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2017Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2016Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1000000000	shares
CY2017Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1000000000	shares
CY2016Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	608000000	shares
CY2017Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	588000000	shares
CY2016Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	608000000	shares
CY2017Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	588000000	shares
CY2016Q4	us-gaap	Common Stock Value CommonStockValue	6000000	USD
CY2017Q4	us-gaap	Common Stock Value CommonStockValue	6000000	USD
CY2015	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1641000000	USD
CY2016	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1545000000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1688000000	USD
CY2016Q4	us-gaap	Cost Method Investments CostMethodInvestments	5000000	USD
CY2017Q4	us-gaap	Cost Method Investments CostMethodInvestments	7000000	USD
CY2015	us-gaap	Cost Of Services Excluding Depreciation Depletion And Amortization CostOfServicesExcludingDepreciationDepletionAndAmortization	7440000000	USD
CY2016Q1	us-gaap	Cost Of Services Excluding Depreciation Depletion And Amortization CostOfServicesExcludingDepreciationDepletionAndAmortization	1915000000	USD
CY2016Q2	us-gaap	Cost Of Services Excluding Depreciation Depletion And Amortization CostOfServicesExcludingDepreciationDepletionAndAmortization	2038000000	USD
CY2016Q3	us-gaap	Cost Of Services Excluding Depreciation Depletion And Amortization CostOfServicesExcludingDepreciationDepletionAndAmortization	2077000000	USD
CY2016Q4	us-gaap	Cost Of Services Excluding Depreciation Depletion And Amortization CostOfServicesExcludingDepreciationDepletionAndAmortization	2078000000	USD
CY2016	us-gaap	Cost Of Services Excluding Depreciation Depletion And Amortization CostOfServicesExcludingDepreciationDepletionAndAmortization	8108000000	USD
CY2017Q1	us-gaap	Cost Of Services Excluding Depreciation Depletion And Amortization CostOfServicesExcludingDepreciationDepletionAndAmortization	2194000000	USD
CY2017Q2	us-gaap	Cost Of Services Excluding Depreciation Depletion And Amortization CostOfServicesExcludingDepreciationDepletionAndAmortization	2261000000	USD
CY2017Q3	us-gaap	Cost Of Services Excluding Depreciation Depletion And Amortization CostOfServicesExcludingDepreciationDepletionAndAmortization	2337000000	USD
CY2017Q4	us-gaap	Cost Of Services Excluding Depreciation Depletion And Amortization CostOfServicesExcludingDepreciationDepletionAndAmortization	2360000000	USD
CY2017	us-gaap	Cost Of Services Excluding Depreciation Depletion And Amortization CostOfServicesExcludingDepreciationDepletionAndAmortization	9152000000	USD
CY2015	us-gaap	Current Federal State And Local Tax Expense Benefit CurrentFederalStateAndLocalTaxExpenseBenefit	352000000	USD
CY2016	us-gaap	Current Federal State And Local Tax Expense Benefit CurrentFederalStateAndLocalTaxExpenseBenefit	544000000	USD
CY2017	us-gaap	Current Federal State And Local Tax Expense Benefit CurrentFederalStateAndLocalTaxExpenseBenefit	767000000	USD
CY2015	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	314000000	USD
CY2016	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	352000000	USD
CY2017	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	262000000	USD
CY2015	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	666000000	USD
CY2016	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	896000000	USD
CY2017	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	1029000000	USD
CY2016Q4	us-gaap	Debt Current DebtCurrent	81000000	USD
CY2017Q4	us-gaap	Debt Current DebtCurrent	175000000	USD
CY2015	us-gaap	Deferred Federal State And Local Tax Expense Benefit DeferredFederalStateAndLocalTaxExpenseBenefit	-58000000	USD
CY2016	us-gaap	Deferred Federal State And Local Tax Expense Benefit DeferredFederalStateAndLocalTaxExpenseBenefit	-44000000	USD
CY2017	us-gaap	Deferred Federal State And Local Tax Expense Benefit DeferredFederalStateAndLocalTaxExpenseBenefit	102000000	USD
CY2015	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-68000000	USD
CY2016	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-47000000	USD
CY2017	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	22000000	USD
CY2015	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-126000000	USD
CY2016	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-91000000	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	124000000	USD
CY2016Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	279000000	USD
CY2017Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	318000000	USD
CY2016Q4	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	306000000	USD
CY2017Q4	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	383000000	USD
CY2016Q4	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	151000000	USD
CY2017Q4	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	104000000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	69000000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	55000000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	708000000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	600000000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	419000000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	272000000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	698000000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	590000000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	425000000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	418000000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	14000000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	15000000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Alternative Minimum Tax DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax	274000000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Alternative Minimum Tax DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax	369000000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	165000000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	125000000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	25000000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	14000000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther	161000000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther	22000000	USD
CY2016Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	10000000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	10000000	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities Deferred Expense DeferredTaxLiabilitiesDeferredExpense	0	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Deferred Expense DeferredTaxLiabilitiesDeferredExpense	65000000	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	6000000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	146000000	USD
CY2016Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	13000000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	44000000	USD
CY2015	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	330000000	USD
CY2016	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	379000000	USD
CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	443000000	USD
CY2016Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	51000000	USD
CY2017Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	154000000	USD
CY2016Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral	4000000	USD
CY2017Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral	5000000	USD
CY2016Q4	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	4000000	USD
CY2017Q4	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	5000000	USD
CY2017Q2	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	89000000	USD
CY2017Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	90000000	USD
CY2017Q4	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	89000000	USD
CY2017	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	268000000	USD
CY2015	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.67
CY2016Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.73
CY2016Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.42
CY2016Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.73
CY2016Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.69
CY2016	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.56
CY2017Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.92
CY2017Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.80
CY2017Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.84
CY2017Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.03
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.54
CY2015	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.65
CY2016Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.72
CY2016Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.41
CY2016Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.73
CY2016Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.68
CY2016	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.55
CY2017Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.92
CY2017Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.80
CY2017Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.84
CY2017Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.03
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.53
CY2015	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-19000000	USD
CY2016	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-30000000	USD
CY2017	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	51000000	USD
CY2015	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.250
CY2016	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.342
CY2017	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.434
CY2015	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2016	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2015	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.016
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.023
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.029
CY2015	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.010
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.013
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.011
CY2015	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.020
CY2016	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.018
CY2017	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.015
CY2015	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	0.010
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	0.024
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	0.014
CY2015	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.093
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.086
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.082
CY2016Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	1134000000	USD
CY2017Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	1272000000	USD
CY2015	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	46000000	USD
CY2016	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	49000000	USD
CY2017	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	101000000	USD
CY2016Q2	us-gaap	Equity Method Investment Ownership Percentage EquityMethodInvestmentOwnershipPercentage	0.49
CY2016Q4	us-gaap	Equity Method Investments EquityMethodInvestments	57000000	USD
CY2017Q4	us-gaap	Equity Method Investments EquityMethodInvestments	67000000	USD
CY2016Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	337000000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	471000000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	134000000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	105000000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	120000000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	123000000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	131000000	USD
CY2015	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-43000000	USD
CY2016	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-30000000	USD
CY2017	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	67000000	USD
CY2015Q4	us-gaap	Goodwill Goodwill	2405000000	USD
CY2016Q4	us-gaap	Goodwill Goodwill	2554000000	USD
CY2017Q4	us-gaap	Goodwill Goodwill	2704000000	USD
CY2016	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	157000000	USD
CY2017	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	123000000	USD
CY2016	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-8000000	USD
CY2017	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	27000000	USD
CY2017Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	906000000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	0	USD
CY2017Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	4000000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	0	USD
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	4000000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	867000000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	4000000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	867000000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	0	USD
CY2016Q4	us-gaap	Held To Maturity Securities Current HeldToMaturitySecuritiesCurrent	40000000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Current HeldToMaturitySecuritiesCurrent	745000000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Debt Maturities Next Rolling Twelve Months Fair Value HeldToMaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue	742000000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	902000000	USD
CY2016Q4	us-gaap	Held To Maturity Securities Noncurrent HeldToMaturitySecuritiesNoncurrent	0	USD
CY2017Q4	us-gaap	Held To Maturity Securities Noncurrent HeldToMaturitySecuritiesNoncurrent	161000000	USD
CY2017Q4	us-gaap	Heldtomaturity Securities Debt Maturities Next Rolling Twelve Months Amortized Cost HeldtomaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCost	745000000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	739000000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	752000000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	810000000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	1425000000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	1605000000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	1845000000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	2164000000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	2357000000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	2655000000	USD
CY2015	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	0	USD
CY2016	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	1000000	USD
CY2017	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	2000000	USD
CY2015	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	540000000	USD
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	805000000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1153000000	USD
CY2015	us-gaap	Income Tax Holiday Aggregate Dollar Amount IncomeTaxHolidayAggregateDollarAmount	201000000	USD
CY2016	us-gaap	Income Tax Holiday Aggregate Dollar Amount IncomeTaxHolidayAggregateDollarAmount	203000000	USD
CY2017	us-gaap	Income Tax Holiday Aggregate Dollar Amount IncomeTaxHolidayAggregateDollarAmount	217000000	USD
CY2015	us-gaap	Income Tax Holiday Income Tax Benefits Per Share IncomeTaxHolidayIncomeTaxBenefitsPerShare	0.33
CY2016	us-gaap	Income Tax Holiday Income Tax Benefits Per Share IncomeTaxHolidayIncomeTaxBenefitsPerShare	0.33
CY2017	us-gaap	Income Tax Holiday Income Tax Benefits Per Share IncomeTaxHolidayIncomeTaxBenefitsPerShare	0.36
CY2015	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-34000000	USD
CY2016	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-55000000	USD
CY2017	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-76000000	USD
CY2015	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	757000000	USD
CY2016	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	825000000	USD
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	929000000	USD
CY2015	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	22000000	USD
CY2016	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	31000000	USD
CY2017	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-30000000	USD
CY2015	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	42000000	USD
CY2016	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	42000000	USD
CY2017	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	39000000	USD
CY2015	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	23000000	USD
CY2016	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	57000000	USD
CY2017	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	37000000	USD
CY2015	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	201000000	USD
CY2016	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	203000000	USD
CY2017	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	216000000	USD
CY2015	us-gaap	Income Taxes Paid IncomeTaxesPaid	579000000	USD
CY2016	us-gaap	Income Taxes Paid IncomeTaxesPaid	845000000	USD
CY2017	us-gaap	Income Taxes Paid IncomeTaxesPaid	587000000	USD
CY2015	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	19000000	USD
CY2016	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	6000000	USD
CY2017	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	16000000	USD
CY2015	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	322000000	USD
CY2016	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	330000000	USD
CY2017	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	249000000	USD
CY2015	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	50000000	USD
CY2016	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-38000000	USD
CY2017	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	18000000	USD
CY2015	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	33000000	USD
CY2016	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	104000000	USD
CY2017	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	181000000	USD
CY2015	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	39000000	USD
CY2016	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	59000000	USD
CY2017	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	89000000	USD
CY2015	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	433000000	USD
CY2016	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	54000000	USD
CY2017	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	671000000	USD
CY2016Q4	us-gaap	Indefinite Lived Trade Names IndefiniteLivedTradeNames	63000000	USD
CY2017Q4	us-gaap	Indefinite Lived Trade Names IndefiniteLivedTradeNames	63000000	USD
CY2017Q4	us-gaap	Insurance Receivable For Malpractice InsuranceReceivableForMalpractice	1000000	USD
CY2016Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	1288000000	USD
CY2017Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	1452000000	USD
CY2016Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	951000000	USD
CY2017Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	981000000	USD
CY2015	us-gaap	Interest Expense InterestExpense	18000000	USD
CY2016	us-gaap	Interest Expense InterestExpense	19000000	USD
CY2017	us-gaap	Interest Expense InterestExpense	23000000	USD
CY2015	us-gaap	Interest Paid InterestPaid	14000000	USD
CY2016	us-gaap	Interest Paid InterestPaid	16000000	USD
CY2017	us-gaap	Interest Paid InterestPaid	21000000	USD
CY2015	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	84000000	USD
CY2016	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	115000000	USD
CY2017	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	133000000	USD
CY2015	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	212000000	USD
CY2016	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	227000000	USD
CY2017	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	265000000	USD
CY2016Q4	us-gaap	Liabilities Liabilities	3534000000	USD
CY2017Q4	us-gaap	Liabilities Liabilities	4552000000	USD
CY2016Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	14262000000	USD
CY2017Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	15221000000	USD
CY2016Q4	us-gaap	Liabilities Current LiabilitiesCurrent	2418000000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	87000000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	124000000	USD
CY2017Q4	us-gaap	Liabilities Current LiabilitiesCurrent	2839000000	USD
CY2017Q4	us-gaap	Long Term Debt LongTermDebt	800000000	USD
CY2017Q4	us-gaap	Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal In Year Two LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearTwo	700000000	USD
CY2017Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	100000000	USD
CY2016Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	797000000	USD
CY2017Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	698000000	USD
CY2016Q4	us-gaap	Long Term Investments LongTermInvestments	62000000	USD
CY2017Q4	us-gaap	Long Term Investments LongTermInvestments	235000000	USD
CY2015	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-682000000	USD
CY2016	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-743000000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1985000000	USD
CY2015	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1371000000	USD
CY2016	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-963000000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-582000000	USD
CY2015	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2187000000	USD
CY2016	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1645000000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2407000000	USD
CY2015	us-gaap	Net Income Loss NetIncomeLoss	1624000000	USD
CY2016Q1	us-gaap	Net Income Loss NetIncomeLoss	441000000	USD
CY2016Q2	us-gaap	Net Income Loss NetIncomeLoss	252000000	USD
CY2016Q3	us-gaap	Net Income Loss NetIncomeLoss	444000000	USD
CY2016Q4	us-gaap	Net Income Loss NetIncomeLoss	416000000	USD
CY2016	us-gaap	Net Income Loss NetIncomeLoss	1553000000	USD
CY2017Q1	us-gaap	Net Income Loss NetIncomeLoss	557000000	USD
CY2017Q2	us-gaap	Net Income Loss NetIncomeLoss	470000000	USD
CY2017Q3	us-gaap	Net Income Loss NetIncomeLoss	495000000	USD
CY2017Q4	us-gaap	Net Income Loss NetIncomeLoss	-18000000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	1504000000	USD
CY2015	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	22000000	USD
CY2016	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	68000000	USD
CY2017	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	174000000	USD
CY2015	us-gaap	Operating Income Loss OperatingIncomeLoss	2142000000	USD
CY2016Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	554000000	USD
CY2016Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	591000000	USD
CY2016Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	583000000	USD
CY2016Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	561000000	USD
CY2016	us-gaap	Operating Income Loss OperatingIncomeLoss	2289000000	USD
CY2017Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	570000000	USD
CY2017Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	606000000	USD
CY2017Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	648000000	USD
CY2017Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	657000000	USD
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	2481000000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	943000000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	188000000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	156000000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	178000000	USD
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	210000000	USD
CY2016Q4	us-gaap	Other Assets Current OtherAssetsCurrent	526000000	USD
CY2017Q4	us-gaap	Other Assets Current OtherAssetsCurrent	833000000	USD
CY2016Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	359000000	USD
CY2017Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	448000000	USD
CY2015	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-3000000	USD
CY2016	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	0	USD
CY2017	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-3000000	USD
CY2015	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent	75000000	USD
CY2016	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent	51000000	USD
CY2017	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent	76000000	USD
CY2015	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	-55000000	USD
CY2016	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	-59000000	USD
CY2017	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	111000000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	17000000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-8000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	184000000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	17000000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-8000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	184000000	USD
CY2016Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	315000000	USD
CY2017Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	325000000	USD
CY2016Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	162000000	USD
CY2017Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	181000000	USD
CY2016Q4	us-gaap	Other Marketable Securities Current OtherMarketableSecuritiesCurrent	806000000	USD
CY2017Q4	us-gaap	Other Marketable Securities Current OtherMarketableSecuritiesCurrent	389000000	USD
CY2015	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-49000000	USD
CY2016	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-46000000	USD
CY2017	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	86000000	USD
CY2015	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-1000000	USD
CY2016	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	2000000	USD
CY2017	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-3000000	USD
CY2015	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	460000000	USD
CY2016	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	512000000	USD
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1889000000	USD
CY2015	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	0	USD
CY2016	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	0	USD
CY2017	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	265000000	USD
CY2015	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	2050000000	USD
CY2016	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	4231000000	USD
CY2017	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	3120000000	USD
CY2015	us-gaap	Payments To Acquire Businesses And Interest In Affiliates PaymentsToAcquireBusinessesAndInterestInAffiliates	2000000	USD
CY2016	us-gaap	Payments To Acquire Businesses And Interest In Affiliates PaymentsToAcquireBusinessesAndInterestInAffiliates	334000000	USD
CY2017	us-gaap	Payments To Acquire Businesses And Interest In Affiliates PaymentsToAcquireBusinessesAndInterestInAffiliates	216000000	USD
CY2015	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	0	USD
CY2016	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	54000000	USD
CY2017	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	1221000000	USD
CY2015	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	954000000	USD
CY2016	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	884000000	USD
CY2017	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	385000000	USD
CY2015	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	273000000	USD
CY2016	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	300000000	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	284000000	USD
CY2016Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.10
CY2017Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.10
CY2016Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	15000000	shares
CY2017Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	15000000	shares
CY2016Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2017Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2016Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2017Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2015	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	131000000	USD
CY2016	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	176000000	USD
CY2017	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	189000000	USD
CY2015	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	0	USD
CY2016	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	15000000	USD
CY2017	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	404000000	USD
CY2015	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	-300000000	USD
CY2016	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	-350000000	USD
CY2017	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	75000000	USD
CY2015	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	1290000000	USD
CY2016	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	3982000000	USD
CY2017	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	3404000000	USD
CY2015	us-gaap	Proceeds From Sale And Maturity Of Other Investments ProceedsFromSaleAndMaturityOfOtherInvestments	618000000	USD
CY2016	us-gaap	Proceeds From Sale And Maturity Of Other Investments ProceedsFromSaleAndMaturityOfOtherInvestments	843000000	USD
CY2017	us-gaap	Proceeds From Sale And Maturity Of Other Investments ProceedsFromSaleAndMaturityOfOtherInvestments	836000000	USD
CY2015	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	782000000	USD
CY2016	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	3541000000	USD
CY2017	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	2922000000	USD
CY2016Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	2624000000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	2840000000	USD
CY2015Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1271000000	USD
CY2016Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1311000000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1324000000	USD
CY2015	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	10000000	USD
CY2016	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	12000000	USD
CY2017	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	15000000	USD
CY2016	us-gaap	Related Party Transaction Purchases From Related Party RelatedPartyTransactionPurchasesFromRelatedParty	2000000	USD
CY2017	us-gaap	Related Party Transaction Purchases From Related Party RelatedPartyTransactionPurchasesFromRelatedParty	4000000	USD
CY2015	us-gaap	Repayments Of Debt And Capital Lease Obligations RepaymentsOfDebtAndCapitalLeaseObligations	53000000	USD
CY2016	us-gaap	Repayments Of Debt And Capital Lease Obligations RepaymentsOfDebtAndCapitalLeaseObligations	57000000	USD
CY2017	us-gaap	Repayments Of Debt And Capital Lease Obligations RepaymentsOfDebtAndCapitalLeaseObligations	95000000	USD
CY2016Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	10478000000	USD
CY2017Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	10544000000	USD
CY2015	us-gaap	Sales Revenue Net SalesRevenueNet	12416000000	USD
CY2016Q1	us-gaap	Sales Revenue Net SalesRevenueNet	3202000000	USD
CY2016Q2	us-gaap	Sales Revenue Net SalesRevenueNet	3370000000	USD
CY2016Q3	us-gaap	Sales Revenue Net SalesRevenueNet	3453000000	USD
CY2016Q4	us-gaap	Sales Revenue Net SalesRevenueNet	3462000000	USD
CY2016	us-gaap	Sales Revenue Net SalesRevenueNet	13487000000	USD
CY2017Q1	us-gaap	Sales Revenue Net SalesRevenueNet	3546000000	USD
CY2017Q2	us-gaap	Sales Revenue Net SalesRevenueNet	3670000000	USD
CY2017Q3	us-gaap	Sales Revenue Net SalesRevenueNet	3766000000	USD
CY2017Q4	us-gaap	Sales Revenue Net SalesRevenueNet	3828000000	USD
CY2017	us-gaap	Sales Revenue Net SalesRevenueNet	14810000000	USD
CY2015	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	2509000000	USD
CY2016Q1	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	646000000	USD
CY2016Q2	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	654000000	USD
CY2016Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	701000000	USD
CY2016Q4	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	730000000	USD
CY2016	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	2731000000	USD
CY2017Q1	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	686000000	USD
CY2017Q2	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	709000000	USD
CY2017Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	674000000	USD
CY2017Q4	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	700000000	USD
CY2017	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	2769000000	USD
CY2015	us-gaap	Share Based Compensation ShareBasedCompensation	192000000	USD
CY2016	us-gaap	Share Based Compensation ShareBasedCompensation	217000000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	221000000	USD
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.00
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.00
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.01
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	700000	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	23.28
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	0	shares
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	0	shares
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	29000000	USD
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2400000	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	700000	shares
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	21.08
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	24.88
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue	29000000	USD
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	700000	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	24.78
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	19.76
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	0.00
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	0.00
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0.00
CY2017Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	29000000	USD
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P1Y5M16D
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P1Y7M21D
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P1Y7M17D
CY2016Q4	us-gaap	Short Term Investments ShortTermInvestments	3135000000	USD
CY2017Q4	us-gaap	Short Term Investments ShortTermInvestments	3131000000	USD
CY2017	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	1700000	shares
CY2015	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	131000000	USD
CY2016	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	176000000	USD
CY2017	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	189000000	USD
CY2017Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	3500000000	USD
CY2017Q4	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	1700000000	USD
CY2015	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	460000000	USD
CY2016	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	512000000	USD
CY2017	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	1889000000	USD
CY2014Q4	us-gaap	Stockholders Equity StockholdersEquity	7740000000	USD
CY2015Q4	us-gaap	Stockholders Equity StockholdersEquity	9278000000	USD
CY2016Q4	us-gaap	Stockholders Equity StockholdersEquity	10728000000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	10669000000	USD
CY2016Q4	us-gaap	Trading Securities Equity TradingSecuritiesEquity	25000000	USD
CY2017Q4	us-gaap	Trading Securities Equity TradingSecuritiesEquity	25000000	USD
CY2016	us-gaap	Trading Securities Realized Gain Loss TradingSecuritiesRealizedGainLoss	0	USD
CY2017	us-gaap	Trading Securities Realized Gain Loss TradingSecuritiesRealizedGainLoss	0	USD
CY2016	us-gaap	Trading Securities Unrealized Holding Loss TradingSecuritiesUnrealizedHoldingLoss	1000000	USD
CY2017	us-gaap	Trading Securities Unrealized Holding Loss TradingSecuritiesUnrealizedHoldingLoss	1000000	USD
CY2016Q4	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	349000000	USD
CY2017Q4	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	357000000	USD
CY2015Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	139000000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	151000000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	97000000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Foreign Currency Translation UnrecognizedTaxBenefitsDecreasesResultingFromForeignCurrencyTranslation	2000000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Foreign Currency Translation UnrecognizedTaxBenefitsDecreasesResultingFromForeignCurrencyTranslation	0	USD
CY2016	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	1000000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	32000000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	7000000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	8000000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Acquisition UnrecognizedTaxBenefitsIncreasesResultingFromAcquisition	0	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Acquisition UnrecognizedTaxBenefitsIncreasesResultingFromAcquisition	0	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	11000000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	17000000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	19000000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	2000000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsIncreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsIncreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2016	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	15000000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	41000000	USD
CY2015	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	4000000	shares
CY2016	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	3000000	shares
CY2017	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	2000000	shares
CY2015	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	613000000	shares
CY2016	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	610000000	shares
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	595000000	shares
CY2015	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	609000000	shares
CY2016	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	607000000	shares
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	593000000	shares
CY2017	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:left;text-indent:30px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The preparation of financial statements requires management to make estimates and assumptions that affect the reported amounts in the consolidated financial statements and accompanying disclosures. We evaluate our estimates on a continuous basis. We base our estimates on historical experience and on various other assumptions that are believed to be reasonable under the circumstances. The actual amounts may vary from the estimates used in the preparation of the accompanying consolidated financial statements. We have reclassified certain prior period amounts to conform to current period presentation.</font></div></div>

Files In Submission

Name	View Source	Status
0001058290-18-000009-index-headers.html	Edgar Link	pending
0001058290-18-000009-index.html	Edgar Link	pending
0001058290-18-000009.txt	Edgar Link	pending
0001058290-18-000009-xbrl.zip	Edgar Link	pending
chart-ctsh20175yr.jpg	Edgar Link	pending
chart-ctsh2017revbygeo.jpg	Edgar Link	pending
chart-ctsh2017revbyseg.jpg	Edgar Link	pending
ctsh-20171231.xml	Edgar Link	completed
ctsh-20171231.xsd	Edgar Link	pending
ctsh-20171231_cal.xml	Edgar Link	unprocessable
ctsh-20171231_def.xml	Edgar Link	unprocessable
ctsh-20171231_lab.xml	Edgar Link	unprocessable
ctsh-20171231_pre.xml	Edgar Link	unprocessable
ctsh20171231-10k.htm	Edgar Link	pending
ctshexhibit10312312017.htm	Edgar Link	pending
ctshexhibit21112312017.htm	Edgar Link	pending
ctshexhibit23112312017.htm	Edgar Link	pending
ctshexhibit31112312017.htm	Edgar Link	pending
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ctshexhibit32112312017.htm	Edgar Link	pending
ctshexhibit32212312017.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$CTSH
COGNIZANT TECHNOLOGY SOLUTIONS CORP Stock $ctsh

2017 Form 10-K Financial Statement

#000105829018000009 Filed on February 27, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CTSH COGNIZANT TECHNOLOGY SOLUTIONS CORP Stock $ctsh

2017 Form 10-K Financial Statement

#000105829018000009 Filed on February 27, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CTSH
COGNIZANT TECHNOLOGY SOLUTIONS CORP Stock $ctsh