Postretirement Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2019

Compensation And Retirement Disclosure [Abstract]

Expense Related to Defined Benefit and Retiree Health Care Benefit Plans

Expense related to defined benefit and retiree health care benefit plans is as follows:

	U.S.						U.S.						Non-U.S.
	Defined Benefit						Retiree Health Care						Defined Benefit
For Three Months Ended June 30,	2019			2018			2019			2018			2019			2018
Service cost	$	5		$	5		$	—		$	1		$	8		$	9
Interest cost		10			9			4			3			11			11
Expected return on plan assets		(12	)		(10	)		(3	)		(3	)		(23	)		(17	)
Recognized net actuarial loss		3			4			—			—			8			6
Amortization of prior service credit		—			—			—			—			—			(1	)
Net periodic benefit costs		6			8			1			1			4			8
Settlement losses		3			—			—			—			1			1
Total, including other postretirement losses	$	9		$	8		$	1		$	1		$	5		$	9

	U.S.						U.S.						Non-U.S.
	Defined Benefit						Retiree Health Care						Defined Benefit
For Six Months Ended June 30,	2019			2018			2019			2018			2019			2018
Service cost	$	9		$	10		$	1		$	2		$	16		$	18
Interest cost		19			18			7			7			22			23
Expected return on plan assets		(21	)		(21	)		(7	)		(7	)		(44	)		(34	)
Recognized net actuarial loss		5			8			—			1			15			11
Amortization of prior service credit		—			—			—			(1	)		—			(1	)
Net periodic benefit costs		12			15			1			2			9			17
Settlement losses		6			2			—			—			2			1
Total, including other postretirement losses	$	18		$	17		$	1		$	2		$	11		$	18