Shareholders' Equity (Schedule of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Stockholders' Equity Note [Abstract]
Defined benefit and other postretirement liability adjustments	$ (102)	$ (101)
Cumulative translation adjustments	(83)	(84)
Other	(42)	(45)
Total accumulated other comprehensive loss	$ (227)	$ (230)

Amount, after tax, of accumulated increase (decrease) in equity from transaction and other event and circumstance from nonowner source.

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