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

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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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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Fair value amount of debt instrument that was repurchased.

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Weighted average interest rate of debt outstanding.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Financial Instruments - Long-Term Debt, Narrative (Details) - USD ($) $ in Millions	1 Months Ended
	Nov. 30, 2020	Dec. 31, 2022	Dec. 31, 2021	Aug. 31, 2021	May 31, 2020	Mar. 31, 2020
Senior Notes [Member]
Debt Instrument [Line Items]
Debt instrument, face amount					$ 4,000	$ 1,250
Weighted average interest rate					2.11%	2.67%
Loss on early retirement of debt	$ 36
Senior Notes [Member] \| Senior Unsecured Debt, One Point Nine Five Percent, Due 2021 [Member]
Debt Instrument [Line Items]
Repurchased debt	$ 1,150
Stated interest rate	1.95%
Senior Notes [Member] \| Senior Unsecured Debt, Five Point Eight Zero Percent, Due 2023 [Member]
Debt Instrument [Line Items]
Repurchased debt	$ 342
Stated interest rate	5.80%
Senior Notes [Member] \| Senior Unsecured Debt, One Point Seven Nine Percent, Due August 2031 [Member]
Debt Instrument [Line Items]
Debt instrument, face amount				$ 1,000
Effective interest rate				1.79%
Unsecured Debt [Member]
Debt Instrument [Line Items]
Weighted average interest rate		3.70%	1.00%
Unsecured Debt [Member] \| Senior Notes Due 2047 [Member]
Debt Instrument [Line Items]
Repurchased debt						$ 1,065