XML 45 R99.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Supplementary Information - Accounts Payable and Accrued Liabilities (Detail) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Segment Reporting [Abstract]    
Trade $ 4,790 $ 4,709
Payroll, vacation and employee benefits 1,293 1,244
Billings and cash collections in excess of revenue 910 877
Other 3,670 3,393
Accounts payable and accrued liabilities $ 10,663 $ 10,223