Share-Based Payments - Summary of TSRU and PTU Activity (Details) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($) $ / shares shares
Total Shareholder Return Units (TSRUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units outstanding, shares	163,572,000	[1],[2]
Units vested, shares	85,899,000	[1],[2]
Units expected to vest, shares	75,276,000	[1],[2],[3]
Units outstanding, weighted average grant price (in dollars per share) | $ / shares	$ 36.83	[1],[2]
Units vested, weighted average grant price (in dollars per share) | $ / shares	34.05	[1],[2]
Units expected to vest, weighted average grant price (in dollars per share) | $ / shares	$ 39.82	[1],[2],[3]
Units outstanding, weighted average remaining contractual term	2 years	[1],[2]
Units vested, weighted average remaining contractual term	9 months 18 days	[1],[2]
Units expected to vest, weighted average remaining contractual term	3 years 2 months 12 days	[1],[2],[3]
Units outstanding, aggregate intrinsic value | $	$ 131	[1],[2],[4]
Units vested, aggregate intrinsic value | $	131	[1],[2],[4]
Units expected to vest, aggregate intrinsic value | $	$ 0	[1],[2],[3],[4]
Units settled, shares	38,957,175
Units settled, weighted average grant price (in dollars per share) | $ / shares	$ 29.80
Units exercised, shares	1,827,019
Units exercised, weighted average grant price (in dollars per share) | $ / shares	$ 31.73
Profit Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units converted and exercised, shares	1,060,000	[1],[2]
Units exercised and converted, weighted average remaining contractual term	7 months 6 days	[1],[2]
Units exercised and converted, aggregate intrinsic value | $	$ 31	[1],[2],[4]
Units granted upon conversion, shares	679,742

[1] In 2023, 1,827,019 TSRUs with a weighted-average grant price of $31.73 per unit were converted into 679,742 PTUs.

[2] In 2023, we settled 38,957,175 TSRUs with a weighted-average grant price of $29.80 per unit.

[3] The number of TSRUs expected to vest takes into account an estimate of expected forfeitures

[4] Market price of our underlying common stock less exercise price.