Treasury - Additional Information (Detail) - USD ($)				3 Months Ended	9 Months Ended
	Sep. 13, 2021	Aug. 24, 2021	Sep. 28, 2020	Sep. 30, 2021	Sep. 30, 2021	Sep. 30, 2020	Apr. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 21, 2020	Oct. 23, 2018
Equity Class Of Treasury Stock [Line Items]
Line of credit facility, starting date					Aug. 24, 2021
Rate adjustment to weighted average federal funds rate for credit facility borrowings				0.50%	0.50%
Rate adjustment to one month Eurodollar rate on credit facility borrowings					1.00%
Accounts receivable securitization program credit facility, borrowing capacity								$ 450,000,000
Accounts receivable securitization program credit facility, available borrowing capacity							$ 20,000,000
Accounts receivable securitization program credit facility, amount outstanding				$ 0	$ 0
Costs related to extinguishment of debt				17,000,000	16,831,000	$ 1,365,000
Write-off of deferred charges included in other (income) expense, net					7,000,000
Debt instrument carrying amount				3,750,000,000	3,750,000,000				$ 3,900,000,000
Fair value of debt				3,750,000,000	3,750,000,000				3,900,000,000
Cash flow hedges				0	0				$ 0
Foreign Currency Forward Exchange Contracts
Equity Class Of Treasury Stock [Line Items]
Net cash (outflows) inflows					4,000,000	$ 22,000,000
5.00% Senior Secured Notes due 2026
Equity Class Of Treasury Stock [Line Items]
Senior notes, issued				$ 400,000,000	$ 400,000,000
Senior notes, interest rate				5.00%	5.00%
Make-whole premium paid on early redemption of senior notes				$ 10,000,000	$ 10,000,000
Revolving Credit Facility
Equity Class Of Treasury Stock [Line Items]
Line of credit facility, borrowing capacity		$ 1,200,000,000									$ 1,000,000,000.0
Line of credit facility, maturity date					Aug. 24, 2026
Line of credit facility increased (decreased) amount		$ 200,000,000
Line of credit facility amount outstanding				0	$ 0
Line of credit facility, available borrowing capacity				$ 1,196,000,000	$ 1,196,000,000
Revolving Credit Facility | One Month LIBOR Rate Plus Index Based Loans
Equity Class Of Treasury Stock [Line Items]
Current applicable margins				1.25%	1.25%
Revolving Credit Facility | ABR-based loans
Equity Class Of Treasury Stock [Line Items]
Current applicable margins				0.25%	0.25%
Revolving Credit Facility | Letter of Credit
Equity Class Of Treasury Stock [Line Items]
Line of credit facility, borrowing capacity				$ 125,000,000	$ 125,000,000
Letters of credit, outstanding				4,000,000	4,000,000
Tranche A Term Loan
Equity Class Of Treasury Stock [Line Items]
Line of credit facility, borrowing capacity				1,850,000,000	$ 1,850,000,000
Line of credit facility, maturity date					Aug. 24, 2026
Line of credit facility increased (decreased) amount					$ (150,000,000)
Line of credit facility amount outstanding				1,700,000,000	1,700,000,000
Tranche A Term Loan | Quarterly Payment Beginning on December 31,2021 Through September 2023
Equity Class Of Treasury Stock [Line Items]
Scheduled principal payments per quarter					$ 10,625,000
Debt instrument payment, description					beginning on December 31, 2021 through September 30, 2023
Tranche A Term Loan | Quarterly Payment Beginning on December 31,2023 Through June 30, 2026
Equity Class Of Treasury Stock [Line Items]
Scheduled principal payments per quarter					$ 21,250,000
Debt instrument payment, description					beginning on December 31, 2023 through June 30, 2026
Tranche B Term Loan
Equity Class Of Treasury Stock [Line Items]
Line of credit facility amount outstanding				488,000,000	$ 488,000,000
New Senior Secured Notes
Equity Class Of Treasury Stock [Line Items]
Senior notes, issued				$ 2,000,000,000.0	$ 2,000,000,000.0
New Senior Secured Notes | 5.00% Senior Secured Notes due 2026
Equity Class Of Treasury Stock [Line Items]
Senior notes, interest rate	5.00%
Senior notes, redeemed	$ 400,000,000
Redemption price, percentage	102.50%
Senior notes, redemption price	$ 410,000,000
New Senior Secured Notes | 1.65% Senior Secured Notes due 2026
Equity Class Of Treasury Stock [Line Items]
Line of credit facility, maturity date		Sep. 01, 2026
Senior notes, issued	$ 700,000,000	$ 700,000,000
Senior notes, interest rate	1.65%	1.65%
New Senior Secured Notes | 2.65% Senior Secured Notes due 2032
Equity Class Of Treasury Stock [Line Items]
Line of credit facility, maturity date		Jan. 15, 2032
Senior notes, issued	$ 500,000,000	$ 500,000,000
Senior notes, interest rate	2.65%	2.65%
New Senior Secured Notes | 2.65% Senior Secured Notes due 2030
Equity Class Of Treasury Stock [Line Items]
Line of credit facility, maturity date					Oct. 15, 2030
Senior notes, issued										$ 800,000,000
Senior notes, interest rate										2.65%
New Senior Secured Notes | 4.75% Senior Secured Notes due 2022
Equity Class Of Treasury Stock [Line Items]
Senior notes, interest rate			4.75%
Senior notes, redeemed			$ 700,000,000
Redemption price, percentage			100.00%
New Senior Secured Notes | 5.00% Senior Secured Notes due 2026
Equity Class Of Treasury Stock [Line Items]
Line of credit facility, maturity date					Sep. 01, 2026
Term Loan A
Equity Class Of Treasury Stock [Line Items]
Current applicable margins				1.25%	1.25%
Term Loan A | ABR-based loans
Equity Class Of Treasury Stock [Line Items]
Current applicable margins				0.25%	0.25%
Minimum | Revolving Credit Facility | One Month LIBOR Rate Plus Index Based Loans
Equity Class Of Treasury Stock [Line Items]
Consolidated Leverage Ratio				0.25%	0.25%
Minimum | Revolving Credit Facility | One Three Six Month LIBOR Rate Plus Index Based Loans
Equity Class Of Treasury Stock [Line Items]
Consolidated Leverage Ratio				1.25%	1.25%
Minimum | Term Loan A | One Month LIBOR Rate Plus Index Based Loans
Equity Class Of Treasury Stock [Line Items]
Consolidated Leverage Ratio				0.25%	0.25%
Minimum | Term Loan A | One Three Six Month LIBOR Rate Plus Index Based Loans
Equity Class Of Treasury Stock [Line Items]
Consolidated Leverage Ratio				1.25%	1.25%
Maximum | Revolving Credit Facility | One Month LIBOR Rate Plus Index Based Loans
Equity Class Of Treasury Stock [Line Items]
Consolidated Leverage Ratio				0.625%	0.625%
Maximum | Revolving Credit Facility | One Three Six Month LIBOR Rate Plus Index Based Loans
Equity Class Of Treasury Stock [Line Items]
Consolidated Leverage Ratio				1.625%	1.625%
Maximum | New Senior Secured Notes
Equity Class Of Treasury Stock [Line Items]
Number of days to complete exchange offer					60 days
Maximum | Term Loan A | One Month LIBOR Rate Plus Index Based Loans
Equity Class Of Treasury Stock [Line Items]
Consolidated Leverage Ratio				0.625%	0.625%
Maximum | Term Loan A | One Three Six Month LIBOR Rate Plus Index Based Loans
Equity Class Of Treasury Stock [Line Items]
Consolidated Leverage Ratio				1.625%	1.625%