Employee Benefit Plans - Restricted Stock Unit and Performance Share Program Activity (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Restricted Stock Units (RSUs) | Discontinued Operations
Stock Units
Stock Units, Outstanding, beginning balance (in shares)	1,239,759
Stock Units, Granted (in shares)	54,141
Stock Units, Forfeited/Settled/Cancelled (in shares)	(6,904)
Stock Units, Issued (in shares)	(392,728)
Stock Units, Outstanding, ending balance (in shares)	894,268	1,239,759
Stock Units, Not Vested at end of year (in shares)	149,270
Weighted-Average Grant Date Fair Value
Weighted-Average Grant Date Fair Value, Outstanding, beginning balance (in dollars per share)	$ 49.78
Weighted-Average Grant Date Fair Value, Granted (in dollars per share)	115.88	$ 96.20	$ 46.43
Weighted-Average Grant Date Fair Value, Forfeited/Settled/Cancelled (in dollars per share)	45.90
Weighted-Average Grant Date Fair Value, Issued (in dollars per share)	47.64
Weighted-Average Grant Date Fair Value, Outstanding, ending balance (in dollars per share)	54.76	$ 49.78
Weighted-Average Grant Date Not Vested at end of year (in dollars per share)	$ 45.90
Total fair value, issued	$ 46	$ 40	$ 8
RSU Stock Settled
Stock Units
Stock Units, Outstanding, beginning balance (in shares)	7,578,193
Stock Units, Granted (in shares)	2,178,117
Stock Units, Forfeited/Settled/Cancelled (in shares)	(144,021)
Stock Units, Issued (in shares)	(2,518,599)
Stock Units, Outstanding, ending balance (in shares)	7,093,690	7,578,193
Stock Units, Not Vested at end of year (in shares)	4,791,110
Weighted-Average Grant Date Fair Value
Weighted-Average Grant Date Fair Value, Outstanding, beginning balance (in dollars per share)	$ 61.20
Weighted-Average Grant Date Fair Value, Granted (in dollars per share)	110.91	$ 90.57	$ 46.56
Weighted-Average Grant Date Fair Value, Forfeited/Settled/Cancelled (in dollars per share)	88.54
Weighted-Average Grant Date Fair Value, Issued (in dollars per share)	58.77
Weighted-Average Grant Date Fair Value, Outstanding, ending balance (in dollars per share)	76.78	$ 61.20
Weighted-Average Grant Date Not Vested at end of year (in dollars per share)	$ 78.20
Total fair value, issued	$ 284	$ 193	$ 144
RSU Cash Settled
Weighted-Average Grant Date Fair Value
Total fair value, issued		$ 21	20
PSU Stock Settled
Stock Units
Stock Units, Outstanding, beginning balance (in shares)	1,231,615
Stock Units, Granted (in shares)	3,797
Stock Units, Forfeited/Settled/Cancelled (in shares)	(72)
Stock Units, Issued (in shares)	(272,522)
Stock Units, Outstanding, ending balance (in shares)	962,818	1,231,615
Weighted-Average Grant Date Fair Value
Weighted-Average Grant Date Fair Value, Outstanding, beginning balance (in dollars per share)	$ 50.68
Weighted-Average Grant Date Fair Value, Granted (in dollars per share)	112.50	$ 91.58
Weighted-Average Grant Date Fair Value, Forfeited/Settled/Cancelled (in dollars per share)	55.13
Weighted-Average Grant Date Fair Value, Issued (in dollars per share)	51.15
Weighted-Average Grant Date Fair Value, Outstanding, ending balance (in dollars per share)	$ 50.79	$ 50.68
Total fair value, issued	$ 29	$ 21	$ 18
PSU Cash Settled Program
Stock Units
Stock Units, Outstanding, beginning balance (in shares)	109,823
Stock Units, Granted (in shares)	1,044,251
Stock Units, Forfeited/Settled/Cancelled (in shares)	(1,053,204)
Stock Units, Outstanding, ending balance (in shares)	100,870	109,823
Weighted-Average Grant Date Fair Value
Weighted-Average Grant Date Fair Value, Outstanding, beginning balance (in dollars per share)	$ 117.11
Weighted-Average Grant Date Fair Value, Granted (in dollars per share)	112.50	$ 91.58	$ 46.65
Weighted-Average Grant Date Fair Value, Forfeited/Settled/Cancelled (in dollars per share)	104.94
Weighted-Average Grant Date Fair Value, Outstanding, ending balance (in dollars per share)	$ 116.68	$ 117.11
Total fair value, issued	$ 111	$ 88	$ 52