Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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Derivative Instruments and Hedging Activities Disclosure [Line Items]

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Fair Value of Debt Instrument Designated as a Hedge of Net Investment in Foreign Operations

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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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Nominal or face amount used to calculate payments on a nonderivative instrument.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.

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Financial Instruments, Hedging Activities and Fair Value Measurements (Additional Information) (Details) € in Billions	9 Months Ended
	Sep. 30, 2019 EUR (€)	Sep. 30, 2019 USD ($)	Aug. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Sep. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Mar. 31, 2018 USD ($)	Feb. 28, 2018 USD ($)	Dec. 31, 2017 USD ($)
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Notional amount										$ 560,000,000
Fair Value of Debt Instrument Designated as a Hedge of Net Investment in Foreign Operations		$ 2,500,000,000				$ 2,600,000,000
Accumulated pretax unrealized translation gains (losses) in AOCI, related to both the euro-denominated borrowings and the cross currency swaps that have been designated as hedges of net investments		5,355,000,000		$ 5,187,000,000	$ 5,010,000,000	4,732,000,000	$ 5,078,000,000	$ 4,983,000,000	$ 5,467,000,000		$ 5,672,000,000
Capital Lease Obligations		11,000,000				12,000,000
Short-term Debt		9,000,000				4,000,000
Long-term Debt		5,504,000,000				5,000,000,000
Long-lived assets fair value amount		5,882,000,000				5,101,000,000
Interest Rate Swap [Member]
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Notional amount										525,000,000
Foreign currency contracts [Member]
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Notional amount		2,400,000,000				2,500,000,000
Currency Swap [Member]
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Notional amount			$ 300,000,000							$ 575,000,000
Cash Flow Hedging [Member] \| Foreign currency contracts [Member]
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Notional amount		24,000,000				50,000,000
Net Investment Hedging [Member]
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Long-term Debt \| €	€ 2.3
Accumulated Gain (Loss), Cash Flow Hedge, Including Noncontrolling Interest [Member]
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Accumulated pretax unrealized translation gains (losses) in AOCI, related to both the euro-denominated borrowings and the cross currency swaps that have been designated as hedges of net investments		$ 325,000,000				$ 161,000,000