Long-term Debt and Finance Leases - Convertible Senior Notes (Details) $ / shares in Units, $ in Millions	12 Months Ended
Dec. 31, 2024 USD ($) tradingDay $ / shares	Dec. 31, 2023 USD ($) $ / shares
Common Stock
Debt Instrument [Line Items]
Stock price (in usd per share) \| $ / shares	$ 40.94
Convertible Senior Notes, due 2048 \| Recourse Debt
Debt Instrument [Line Items]
Conversion ratio	0.0244241	0.0239079
Conversion price per common share (in usd per share) \| $ / shares		$ 41.83
Carrying amount of equity component \| $	$ 231	$ 572
Debt, convertible, percentage of stock price trigger	130.00%
Debt convertible, threshold trading days \| tradingDay	20
Debt convertible, threshold consecutive trading days \| tradingDay	30

The carrying amount of the equity component of convertible debt which may be settled in cash upon conversion.

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