Share Owners' Equity - Share Repurchase (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Share Owners' Equity
Shares repurchased	$ 10	$ 10
Shares repurchased (in shares)	532,478	800,000
Stock repurchase plan authorized	$ 150
Remaining repurchase of common stock available	$ 60

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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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