Earnings per Share ("EPS") - Calculation of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Net income	$ 242	$ 234	$ 419	$ 582
Basic weighted average number of shares outstanding (in shares)	255,341	254,018	254,869	253,802
Stock awards and equity units (share equivalent) (in shares)	612	1,138	1,195	1,303
Diluted weighted average common shares outstanding (in shares)	255,953	255,156	256,064	255,105
Earnings per Share:
Basic (in dollar per share)	$ 0.95	$ 0.92	$ 1.64	$ 2.29
Earnings per Share - Diluted:
Diluted (in dollar per share)	$ 0.95	$ 0.92	$ 1.64	$ 2.28
Share-based compensation plans
Earnings per Share - Diluted:
Anti-dilutive shares excluded from the calculation of EPS (in shares)	10,458	4,504	9,874	4,502