Employee Benefit and Retirement Plans - Schedule of Company's Pension Cost And Supplemental Retirement Plans (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Pension Benefits | U.S.
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 0	$ 0
Interest cost	9	12
Expected return on plan assets	(15)	(15)
Amortization, net	6	4
Settlements	1	0
Total income	1	1
Pension Benefits | International
Defined Benefit Plan Disclosure [Line Items]
Service cost	1	2
Interest cost	2	3
Expected return on plan assets	(2)	(3)
Amortization, net	1	0
Settlements	0	0
Total income	2	2
Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	0
Interest cost	0	0
Amortization, net	(1)	(2)
Total income	$ (1)	$ (2)