Capital Structure - Summary of Changes in Shares Repurchased (Details) - USD ($)	2 Months Ended	12 Months Ended			14 Months Ended
	Feb. 24, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Feb. 24, 2022
Schedule of Capitalization, Equity [Line Items]
Total number of shares purchased (in shares)		1,084,752	6,062,783	36,301,882
Subsequent Event
Schedule of Capitalization, Equity [Line Items]
Total number of shares purchased (in shares)	1,889,151
Repurchases under February 28, 2019 Accelerated Share Repurchase Agreement
Schedule of Capitalization, Equity [Line Items]
Total number of shares purchased (in shares)				9,438,671
Amounts paid for shares and share equivalents purchased (in millions)				$ 400,000,000
Other repurchases
Schedule of Capitalization, Equity [Line Items]
Total number of shares purchased (in shares)		1,084,752	6,062,783	26,863,211
Accrued stock repurchases		$ 5,000,000		$ 4,000,000
Amounts paid for shares and share equivalents purchased (in millions)		$ 44,000,000	$ 197,000,000	$ 1,008,000,000
Other repurchases | Subsequent Event
Schedule of Capitalization, Equity [Line Items]
Total number of shares purchased (in shares)	1,889,151
Amounts paid for shares and share equivalents purchased (in millions)	$ 76,000,000
Equivalent shares purchased in lieu of tax withholding on equity compensation issuances
Schedule of Capitalization, Equity [Line Items]
Total number of shares purchased (in shares)		249,013	711,248	936,928
Average price paid per share (in shares)		$ 37.50	$ 38.23	$ 38.78
Amounts paid for shares and share equivalents purchased (in millions)		$ 9,000,000	$ 27,000,000	$ 36,000,000
Equivalent shares purchased in lieu of tax withholding on equity compensation issuances | Subsequent Event
Schedule of Capitalization, Equity [Line Items]
Total number of shares purchased (in shares)	130,674
Average price paid per share (in shares)	$ 43.08
Amounts paid for shares and share equivalents purchased (in millions)	$ 6,000,000
Capital Allocation Plan
Schedule of Capitalization, Equity [Line Items]
Total number of shares purchased (in shares)		1,333,765	6,774,031	37,238,810
Average price paid per share (in shares)		$ 40.22	$ 33.05	$ 38.79
Amounts paid for shares and share equivalents purchased (in millions)		$ 53,000,000	$ 224,000,000	$ 1,444,000,000
Capital Allocation Plan | Subsequent Event
Schedule of Capitalization, Equity [Line Items]
Total number of shares purchased (in shares)					2,019,825
Average price paid per share (in shares)					$ 40.26
Amounts paid for shares and share equivalents purchased (in millions)					$ 82,000,000