Stockholders' Equity (Details) - USD ($) shares in Millions, $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Mar. 31, 2024	Mar. 31, 2023
Purchases of common stock, shares	0.3	0.2	0.4
Purchases of common stock, value	$ 33	$ 30	$ 65
At the Market Stock Offering Program, aggregate value of common stock				$ 750	$ 750
Availability under 2024 ATM program	$ 750

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References + Details