Share-based Compensation - Narrative (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Granted (in shares)	19,000
Exercised (in shares)	3,300
Forfeited and expired (in shares)	9
Exercised , weighted average exercise price (in dollars per share)	$ 23.37	$ 23.82
Forfeited, weighted average grant-date fair value (in dollars per share)	$ 19.97
Outstanding, number of shares (in shares)	4,200	7,500
Vested, weighted average grant-date fair value (in dollars per share)	$ 24.18
Contractual term (in years)	4 years 2 months 12 days
Aggregate intrinsic value	$ 99
Outstanding, weighted average exercise price (in dollars per share)		$ 23.82
Grants in period, gross (in shares)	0	0	0
Proceeds from exercise of stock options	$ 76	$ 42	$ 40
Share-based payment arrangement, expense, tax benefit	9	17	16
Time-based restricted stock and restricted stock units
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Vested in period, fair value	$ 208	118	93
Forfeited, weighted average grant-date fair value (in dollars per share)	$ 34.46
Vested, weighted average grant-date fair value (in dollars per share)	$ 35.45
Performance-based restricted stock units
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Vested in period, fair value	$ 47	120	5
Stock Options
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Vested in period, fair value		6	20
Share-based payment arrangement, expense, tax benefit	8
Exercises in period, intrinsic value	$ 56	$ 29	$ 36