Basis of Reporting and Accounting Non-Cash Activities (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Dividends payable on common shares	$ 58	$ 59	$ 7,972
Operating lease liabilities	23	40
Common equities
Dividends payable on common shares	$ 58	$ 59

Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding.

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