Share Owners' Equity - Share Repurchase (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Share Owners' Equity
Shares repurchased	$ 10	$ 20	$ 20	$ 20
Shares repurchased (in shares)	770,710	1,000,000.0	1,500,000	1,000,000.0
Stock repurchase plan authorized	$ 150		$ 150
Remaining repurchase of common stock available	$ 90		$ 90

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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