XML 158 R103.htm IDEA: XBRL DOCUMENT v3.20.1
Long-Term Employee Benefit Liabilities - Long-Term Employee Benefit Liabilities (Detail) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Retirement Benefits [Abstract]    
Defined benefit pension plans and other $ 203 $ 184
Termination and long service arrangements 437 381
Retirement medical benefits plans 27 27
Other long-term employee benefits 10 5
Long-term employee benefit obligations $ 677 $ 597