Shareholders' Equity - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions			3 Months Ended		12 Months Ended
	Oct. 15, 2027	Oct. 31, 2024	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Class of Stock [Line Items]
Sale of stock, consideration received on transaction		$ 5,651
Dividends paid on mandatory convertible preferred stock			$ 86	$ 72
Dividends, preferred stock			$ 86
Preferred stock, dividends per share, declared (in dollars per share)			$ 15.00
Forecast
Class of Stock [Line Items]
Equity instrument, convertible, threshold consecutive trading days	20 days
Equity instrument, convertible, threshold consecutive trading days trigger period	21 days
Depositary Share
Class of Stock [Line Items]
Sale of stock, number of shares issued in transaction (in shares)		115,000,000
Mandatory convertible preferred stock
Class of Stock [Line Items]
Preferred stock, shares, issued (in shares)		5,750,000	5,750,000		5,750,000
Preferred stock, dividend rate, percentage		6.00%	6.00%		6.00%
Preferred stock, liquidation preference per share (in dollars per share)		$ 1,000
Preferred stock, par value (in dollars per share)		$ 1.00	$ 1.00		$ 1.00
Mandatory convertible preferred stock | Forecast
Class of Stock [Line Items]
Conversion of stock, shares converted (in shares)	5.8280
Mandatory convertible preferred stock | Minimum | Forecast
Class of Stock [Line Items]
Conversion of stock, shares converted (in shares)	5.8280
Mandatory convertible preferred stock | Maximum | Forecast
Class of Stock [Line Items]
Conversion of stock, shares converted (in shares)	6.9940