Share Owners' Equity - Share Repurchase (Details) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2021 USD ($) shares	Sep. 30, 2021 USD ($) shares
Share Owners' Equity
Shares repurchased	$ 10	$ 30
Shares repurchased (in shares) \| shares	619,666	1,000,000.0
Stock repurchase plan authorized	$ 150	$ 150
Remaining repurchase of common stock available	$ 120	$ 120

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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