Capital Stock - Dividends Common Stock (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended												12 Months Ended
	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Dividends Payable [Line Items]
Total (in dollars per share)	$ 0.21	$ 0.21	$ 0.21	$ 0.21	$ 0.20	$ 0.20	$ 0.20	$ 0.57	$ 0.68	$ 0.65	$ 0.60	$ 0.56	$ 0.84	$ 1.17	$ 2.49
Total Dividends Paid (In millions)	$ 156	$ 156	$ 158	$ 160	$ 151	$ 153	$ 153	$ 438	$ 533	$ 519	$ 484	$ 455	$ 630	$ 895	$ 1,991
O 2024 A Dividends
Dividends Payable [Line Items]
Total (in dollars per share)													$ 0.84
O 2024 Q1 Dividends
Dividends Payable [Line Items]
Total (in dollars per share)				$ 0.21
O 2024 Q2 Dividends
Dividends Payable [Line Items]
Total (in dollars per share)			$ 0.21
O 2024 Q3 Dividends
Dividends Payable [Line Items]
Total (in dollars per share)		$ 0.21
O 2024 Q4 Dividends
Dividends Payable [Line Items]
Total (in dollars per share)	$ 0.21
O 2023 A Dividends
Dividends Payable [Line Items]
Total (in dollars per share)														$ 0.80
O 2023 Q1 Dividends
Dividends Payable [Line Items]
Total (in dollars per share)								$ 0.20
O 2023 Q2 Dividends
Dividends Payable [Line Items]
Total (in dollars per share)							$ 0.20
O 2023 Q3 Dividends
Dividends Payable [Line Items]
Total (in dollars per share)						$ 0.20
O 2023 Q4 Dividends
Dividends Payable [Line Items]
Total (in dollars per share)					$ 0.20
O 2022 A Dividends
Dividends Payable [Line Items]
Total (in dollars per share)															$ 0.60
O 2022 Q1 Dividends
Dividends Payable [Line Items]
Total (in dollars per share)												$ 0.15
O 2022 Q2 Dividends
Dividends Payable [Line Items]
Total (in dollars per share)											$ 0.15
O 2022 Q3 Dividends
Dividends Payable [Line Items]
Total (in dollars per share)										$ 0.15
O 2022 Q4 Dividends
Dividends Payable [Line Items]
Total (in dollars per share)									$ 0.15
S 2024 A Dividends
Dividends Payable [Line Items]
Total (in dollars per share)													$ 0
S 2024 Q1 Dividends
Dividends Payable [Line Items]
Total (in dollars per share)				$ 0
S 2024 Q2 Dividends
Dividends Payable [Line Items]
Total (in dollars per share)			$ 0
S 2024 Q3 Dividends
Dividends Payable [Line Items]
Total (in dollars per share)		$ 0
S 2024 Q4 Dividends
Dividends Payable [Line Items]
Total (in dollars per share)	$ 0
S 2023 A Dividends
Dividends Payable [Line Items]
Total (in dollars per share)														$ 0.37
S 2023 Q1 Dividends
Dividends Payable [Line Items]
Total (in dollars per share)								$ 0.37
S 2023 Q2 Dividends
Dividends Payable [Line Items]
Total (in dollars per share)							$ 0
S 2023 Q3 Dividends
Dividends Payable [Line Items]
Total (in dollars per share)						$ 0
S 2023 Q4 Dividends
Dividends Payable [Line Items]
Total (in dollars per share)					$ 0
S 2022 A Dividends
Dividends Payable [Line Items]
Total (in dollars per share)															$ 1.89
S 2022 Q1 Dividends
Dividends Payable [Line Items]
Total (in dollars per share)												$ 0.41
S 2022 Q2 Dividends
Dividends Payable [Line Items]
Total (in dollars per share)											$ 0.45
S 2022 Q3 Dividends
Dividends Payable [Line Items]
Total (in dollars per share)										$ 0.50
S 2022 Q4 Dividends
Dividends Payable [Line Items]
Total (in dollars per share)									$ 0.53