Long-Term Incentive - Rollforward of Outstanding RSUs and PSUs (Details) - RSUs and PSUs [Member] - $ / shares shares in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
Outstanding as of January 1	0.7	0.7	0.7
Granted	0.4	0.3	0.3
Performance adjustment	0.1	0.0	0.0
Vested and issued	(0.3)	(0.2)	(0.3)
Forfeited	(0.1)	(0.1)	0.0
Outstanding as of December 31	0.8	0.7	0.7
Vested pending issuance	0.1	0.1	0.1
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Outstanding as of January 1	$ 88.40	$ 76.36	$ 71.21
Granted	135.01	99.33	77.72
Performance adjustment	98.67	0	0
Vested and issued	91.13	69.91	66.20
Forfeited	108.62	77.20	0
Outstanding as of December 31	109.06	88.40	76.36
Vested pending issuance	$ 76.51	$ 98.67	$ 63.88