Debt - Narrative (Details) $ / shares in Units, shares in Millions				1 Months Ended	3 Months Ended
	Jun. 15, 2021 shares	Mar. 23, 2021 USD ($)	Mar. 08, 2021 USD ($)	Aug. 30, 2018 USD ($) day $ / shares	Apr. 03, 2022 USD ($) renewal	Apr. 04, 2021 USD ($)	Jan. 03, 2022 USD ($)	Jan. 02, 2022 USD ($)	Dec. 30, 2018 USD ($)	Aug. 31, 2018	Aug. 21, 2018	Jun. 30, 2014 USD ($)
Debt Instrument [Line Items]
Additional paid-in capital					$ 8,957,000,000			$ 8,938,000,000
Retained earnings (accumulated deficit)					$ 5,632,000,000			5,485,000,000
Cumulative-effect adjustment from adoption of ASU 2016-02, net of deferred tax | Accounting Standards Update 2020-06
Debt Instrument [Line Items]
Additional paid-in capital							$ (93,000,000)
Convertible debt							43,000,000
Retained earnings (accumulated deficit)							61,000,000
Deferred tax liabilities							$ (11,000,000)
Term Notes
Debt Instrument [Line Items]
Net proceeds		$ 992,000,000
Redemption price, percentage					100.00%
Interest expense recognized					$ 4,000,000	$ 1,000,000
Convertible Senior Notes
Debt Instrument [Line Items]
Interest expense recognized					1,000,000	7,000,000
2023 Term Notes | Term Notes
Debt Instrument [Line Items]
Stated rate		0.55%
Principal amount of notes outstanding		$ 500,000,000			500,000,000			500,000,000
2031 Term Notes | Term Notes
Debt Instrument [Line Items]
Stated rate		2.55%
Principal amount of notes outstanding		$ 500,000,000			500,000,000			500,000,000
2023 Convertible Notes | Convertible Senior Notes
Debt Instrument [Line Items]
Stated rate											0.00%
Principal amount of notes outstanding				$ 750,000,000	$ 750,000,000			$ 750,000,000
Redemption price, percentage				100.00%
Conversion price (in dollars per share) | $ / shares				$ 457.77
Threshold common stock trading days | day				20
Threshold consecutive common stock trading days | day				30
Threshold percentage of common stock price trigger				130.00%
Threshold note trading days | day				5
Threshold consecutive note trading days | day				10
Threshold percentage of note price trigger				98.00%
Convertible stock price trigger (in dollars per share) | $ / shares				$ 595.10
Additional paid-in capital									$ 126,000,000
Effective interest rate used to measure fair value of convertible senior note										3.70%
2021 Convertible Notes
Debt Instrument [Line Items]
Interest expense recognized						$ 4,000,000
Number of shares of common stock issued upon conversion (in shares) | shares	0.7
2021 Convertible Notes | Convertible Senior Notes
Debt Instrument [Line Items]
Stated rate												0.50%
Principal amount of notes outstanding												$ 517,000,000
The Credit Agreement | Line of Credit
Debt Instrument [Line Items]
Debt instrument term, number of renewal | renewal					2
Debt instrument, renewal term					1 year
Borrowings outstanding					$ 0
The Credit Agreement | Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity			$ 750,000,000
Debt instrument term			5 years
The Credit Agreement | Line of Credit | Swingline Borrowings
Debt Instrument [Line Items]
Maximum borrowing capacity			$ 40,000,000
The Credit Agreement | Line of Credit | Letter of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity			50,000,000
The Credit Agreement | Unsecured Debt
Debt Instrument [Line Items]
Debt instrument, face amount, optional increase in additional borrowings			$ 250,000,000
Debt instrument, covenant, minimum debt to EBITDA ratio			3.50
Debt instrument, covenant, minimum debt to EBITDA ratio upon consummation of acquisition			4.00