Pension and Other Postretirement Benefits - Schedule of Amounts Reclassified from Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Income before taxes and equity in net earnings of affiliates	$ 265		$ 239		$ 399	$ 400
Provision for income taxes	(54)		(59)		(94)	(101)
Net income	207	$ 93	187	$ 122	300	309
Reclassification out of Accumulated Other Comprehensive Income | Defined benefit plans adjustment
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Income before taxes and equity in net earnings of affiliates	13		12		25	24
Provision for income taxes	(3)		(3)		(5)	(5)
Net income	10		9		20	19
Reclassification out of Accumulated Other Comprehensive Income | Actuarial losses
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Other pension and postretirement	$ 13		$ 12		$ 25	$ 24