Supplemental Balance Sheet Information (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Other current liabilities
Accrued payroll and employee benefits	$ 200	$ 356
Accrued interest	135	82
Accrued taxes, other than income	87	66
Macondo well incident settlement obligations	60	60
Deferred revenue	194	187
Deferred revenue of consolidated variable interest entities	15	15
Contingent liabilities	262	271
Other	7	25
Total other current liabilities	960	1,062
Other long-term liabilities
Postemployment benefit plan obligations	370	399
Income taxes payable	333	428
Macondo well incident settlement obligations		60
Deferred revenue	390	178
Other	60	70
Total other long-term liabilities	$ 1,153	$ 1,135