XML 101 R80.htm IDEA: XBRL DOCUMENT v3.3.1.900
OTHER LIABILITIES (Details) - USD ($)
$ in Millions
Dec. 31, 2015
Dec. 31, 2014
Other Liabilities Noncurrent [Abstract]    
Pension and other employee related $ 2,461 $ 2,497
Income taxes 1,009 764
Environmental 265 313
Insurance 257 253
Asset retirement obligations 65 67
Deferred income 99 93
Other 192 295
Total other liabilities $ 4,348 $ 4,282