Stockholders' Equity - Capital Stock and Share Repurchases (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
Jun. 30, 2022	Jun. 30, 2021
Equity, Class of Treasury Stock [Line Items]
Number of shares repurchased (in shares)	8,850,912	1,750,000
Average price per share (in dollars per share)	$ 30.09	$ 38.52
Amount	$ 266	$ 67
Open market purchases
Equity, Class of Treasury Stock [Line Items]
Number of shares repurchased (in shares)	8,850,912	1,750,000
Average price per share (in dollars per share)	$ 30.09	$ 38.52
Amount	$ 266	$ 67

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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.

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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.

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