Pensions Benefit Plans and Other Postretirement Benefits - Net Amount Recognized Included in Consolidated Balance Sheets (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Net amount recognized included in the Consolidated Balance Sheets
Pension assets	$ 42	$ 44
U.S. | Pension Benefit Plans
Net amount recognized included in the Consolidated Balance Sheets
Current pension liability and nonpension postretirement benefit, included with Other accrued liabilities	(1)	(3)
Pension benefits and nonpension postretirement benefits	(289)	(316)
Accumulated other comprehensive loss	722	785
Net amount recognized	432	466
U.S. | Other Postretirement Benefits
Net amount recognized included in the Consolidated Balance Sheets
Current pension liability and nonpension postretirement benefit, included with Other accrued liabilities	(5)	(6)
Pension benefits and nonpension postretirement benefits	(67)	(68)
Accumulated other comprehensive loss	9	7
Net amount recognized	(63)	(67)
Non-U.S. | Pension Benefit Plans
Net amount recognized included in the Consolidated Balance Sheets
Pension assets	42	44
Current pension liability and nonpension postretirement benefit, included with Other accrued liabilities	(6)	(5)
Pension benefits and nonpension postretirement benefits	(239)	(218)
Accumulated other comprehensive loss	332	289
Net amount recognized	129	110
Non-U.S. | Other Postretirement Benefits
Net amount recognized included in the Consolidated Balance Sheets
Current pension liability and nonpension postretirement benefit, included with Other accrued liabilities	(3)	(3)
Pension benefits and nonpension postretirement benefits	(68)	(77)
Accumulated other comprehensive loss	(1)	(2)
Net amount recognized	$ (72)	$ (82)