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Long-Term Debt - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Debt Instrument [Line Items]
Gain (loss) on extinguishment of debt	$ (12)	$ 0	$ (12)	$ (295)
Asset Based Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	4,500		4,500
Senior Secured Term Loan A-6 Facility [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	1,071		1,071
Senior Secured Term Loan A-7 Facility [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	1,500		1,500
Senior Secured Term Loan B-12 Facility [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	1,455		1,455
Senior Secured Term Loan B-13 Facility [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	1,131		1,131
Senior Secured Term Loan B-14 Facility [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	500		500
Senior Notes [Member]
Debt Instrument [Line Items]
Debt instrument, principal amount	2,350		2,350
Senior Notes [Member] | Senior Secured Notes Due 2031 [Member]
Debt Instrument [Line Items]
Debt instrument, principal amount	$ 850		$ 850
Debt instrument, stated interest	2.375%		2.375%
Senior Notes [Member] | Senior Secured Notes Due 2051 [Member]
Debt Instrument [Line Items]
Debt instrument, principal amount	$ 1,500		$ 1,500
Debt instrument, stated interest	3.50%		3.50%

X

- Definition

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

+ References

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- Definition

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

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No definition available.

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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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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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