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- Definition

Long-term Debt, Gross, Current Maturities

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Long-term Debt, Gross, Excluding Current Maturities

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Long-term Debt, Principal Outstanding [Abstract]

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Face (par) amount of debt instrument at time of issuance.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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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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Debt - Summary of Outstanding Debt (Details) $ in Millions	3 Months Ended
Debt - Summary of Outstanding Debt (Details) $ in Millions	Mar. 31, 2021 USD ($)	Mar. 31, 2021 EUR (€)	Dec. 31, 2020 USD ($)	Dec. 31, 2020 EUR (€)
Debt Instrument [Line Items]
Short-term debt	$ 80		$ 121
Principal outstanding
Total long-term debt	8,003		8,141
Less: current maturities	(82)		(67)
Total long-term debt, less current maturities	7,921		8,074
Carrying amount
Total long-term debt	7,957		8,090
Less: current maturities	(82)		(67)
Total long-term debt, less current maturities	7,875		8,023
Other Indebtedness, Fixed Rate
Principal outstanding
Total long-term debt	128		110
Carrying amount
Total long-term debt	128		110
Senior Secured Borrowings \| U.S. Dollar at LIBOR Plus One Point Five Due Two Thousand Twenty Four [Member]
Principal outstanding
Total long-term debt	1,022		1,029
Carrying amount
Total long-term debt	1,017		1,023
Senior Secured Borrowings \| Euro at EURIBOR Plus One Point Five Percentage Due Two Thousand and Twenty Four [Member]
Principal outstanding
Total long-term debt	368		387
Carrying amount
Total long-term debt	368		387
Debt, face amount \| €		€ 314,000,000		€ 317,000,000
Senior Notes and Debentures \| €650 at 4.0% due 2022
Principal outstanding
Total long-term debt	762		794
Carrying amount
Total long-term debt	$ 760		791
Debt, face amount \| €		€ 650,000,000
Debt Instrument, Interest Rate, Stated Percentage	4.00%	4.00%
Senior Notes and Debentures \| U. S. dollar at 4.50% due 2023
Principal outstanding
Total long-term debt	$ 1,000		1,000
Carrying amount
Total long-term debt	$ 997		997
Debt Instrument, Interest Rate, Stated Percentage	4.50%	4.50%
Senior Notes and Debentures \| €335 at 2.250% due 2023
Principal outstanding
Total long-term debt	$ 393		409
Carrying amount
Total long-term debt	$ 391		407
Debt, face amount \| €		€ 335,000,000
Debt Instrument, Interest Rate, Stated Percentage	2.25%	2.25%
Senior Notes and Debentures \| Euro .75% due 2023 [Member]
Principal outstanding
Total long-term debt	$ 645		671
Carrying amount
Total long-term debt	$ 642		666
Debt, face amount \| €		€ 550,000,000
Debt Instrument, Interest Rate, Stated Percentage	0.75%	0.75%
Senior Notes and Debentures \| €600 at 2.625% due 2024
Principal outstanding
Total long-term debt	$ 704		733
Carrying amount
Total long-term debt	$ 700		729
Debt, face amount \| €		€ 600,000,000
Debt Instrument, Interest Rate, Stated Percentage	2.625%	2.625%
Senior Notes and Debentures \| €600 at 3.375% due 2025
Principal outstanding
Total long-term debt	$ 704		733
Carrying amount
Total long-term debt	$ 699		728
Debt, face amount \| €		€ 600,000,000
Debt Instrument, Interest Rate, Stated Percentage	3.375%	3.375%
Senior Notes and Debentures \| U.S. dollar at 4.25% due 2026
Principal outstanding
Total long-term debt	$ 400		400
Carrying amount
Total long-term debt	$ 396		396
Debt Instrument, Interest Rate, Stated Percentage	4.25%	4.25%
Senior Notes and Debentures \| U.S. dollar at 4.75% due 2026
Principal outstanding
Total long-term debt	$ 875		875
Carrying amount
Total long-term debt	$ 865		865
Debt Instrument, Interest Rate, Stated Percentage	4.75%	4.75%
Senior Notes and Debentures \| U.S. dollar at 7.375% due 2026
Principal outstanding
Total long-term debt	$ 350		350
Carrying amount
Total long-term debt	$ 348		348
Debt Instrument, Interest Rate, Stated Percentage	7.375%	7.375%
Senior Notes and Debentures \| €500 at 2.875% due 2026
Principal outstanding
Total long-term debt	$ 586		610
Carrying amount
Total long-term debt	$ 580		603
Debt, face amount \| €		€ 500,000,000
Debt Instrument, Interest Rate, Stated Percentage	2.875%	2.875%
Senior Notes and Debentures \| U.S. dollar at 7.50% due 2096
Principal outstanding
Total long-term debt	$ 40		40
Carrying amount
Total long-term debt	$ 40		40
Debt Instrument, Interest Rate, Stated Percentage	7.50%	7.50%
Revolving Credit Facility \| Line of Credit
Principal outstanding
Total long-term debt	$ 26		0
Carrying amount
Total long-term debt	$ 26		$ 0
Euro Interbank Offered Rate (EURIBOR) [Member] \| Senior Secured Borrowings \| Euro at EURIBOR Plus One Point Five Percentage Due Two Thousand and Twenty Four [Member]
Carrying amount
Debt Instrument, Basis Spread on Variable Rate	1.20%
London Interbank Offered Rate (LIBOR) [Member] \| Senior Secured Borrowings \| U.S. Dollar at LIBOR Plus One Point Five Due Two Thousand Twenty Four [Member]
Carrying amount
Debt Instrument, Basis Spread on Variable Rate	1.20%