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

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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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Face (par) amount of the original debt instrument that was repurchased.

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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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Long-Term Debt - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	May 31, 2022	Apr. 30, 2022	Mar. 31, 2022
Debt Instrument [Line Items]
Gain (loss) on extinguishment of debt	$ (78)	$ (12)	$ (78)	$ (12)
Senior Notes Due 2023 [Member]
Debt Instrument [Line Items]
Debt instrument, stated interest					5.875%
Debt instrument, redemption principal amount					$ 1,250
Senior Notes [Member]
Debt Instrument [Line Items]
Debt instrument, principal amount							$ 6,000
Senior Notes [Member] \| Senior Secured Notes Due 2027 [Member]
Debt Instrument [Line Items]
Debt instrument, principal amount							$ 1,000
Debt instrument, stated interest							3.125%
Senior Notes [Member] \| Senior Secured Notes Due 2029 [Member]
Debt Instrument [Line Items]
Debt instrument, principal amount							$ 500
Debt instrument, stated interest							3.375%
Senior Notes [Member] \| Senior Secured Notes Due 2032 [Member]
Debt Instrument [Line Items]
Debt instrument, principal amount							$ 2,000
Debt instrument, stated interest							3.625%
Senior Notes [Member] \| Senior Secured Notes Due 2042 [Member]
Debt Instrument [Line Items]
Debt instrument, principal amount							$ 500
Debt instrument, stated interest							4.375%
Senior Notes [Member] \| Senior Secured Notes Due 2052 [Member]
Debt Instrument [Line Items]
Debt instrument, principal amount							$ 2,000
Debt instrument, stated interest							4.625%
Senior Notes [Member] \| Senior Secured Notes Due 2023 [Member]
Debt Instrument [Line Items]
Debt instrument, stated interest						4.75%
Debt instrument, redemption principal amount						$ 1,250