Stockholders' Equity - Changes in Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Changes in Accumulated Other Comprehensive Income (Loss)
Beginning balance	$ 3,626	$ 3,182	$ 3,030
Other comprehensive income (loss)	(339)	140	63
Ending balance	3,089	3,626	3,182
Accumulated Other Comprehensive Income (Loss)
Changes in Accumulated Other Comprehensive Income (Loss)
Beginning balance	(1,502)	(1,642)	(1,705)
Other comprehensive income (loss)	(339)	140	63
Ending balance	(1,841)	(1,502)	(1,642)
Accumulated Foreign Currency Adjustment
Changes in Accumulated Other Comprehensive Income (Loss)
Foreign currency translation / Pension and other postretirement benefit adjustments, before reclassifications, before tax	(192)	73	(82)
Foreign currency translation / Pension and other postretirement benefit adjustments reclassified to income, before tax	0	5	0
Income taxes	(50)	(73)	86
Other comprehensive income (loss)	(242)	5	4
Accumulated Defined Benefit Plans Adjustment
Changes in Accumulated Other Comprehensive Income (Loss)
Foreign currency translation / Pension and other postretirement benefit adjustments, before reclassifications, before tax	(149)	125	30
Foreign currency translation / Pension and other postretirement benefit adjustments reclassified to income, before tax	23	54	48
Income taxes	29	(44)	(19)
Other comprehensive income (loss)	$ (97)	$ 135	$ 59