XML 26 R42.htm IDEA: XBRL DOCUMENT v3.2.0.727
Accumulated Other Comprehensive Income (Loss) - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Statement of Comprehensive Income [Abstract]        
Net increase to other comprehensive income or loss upon the translation $ 107 $ 114 $ (311) $ 63
Changes in derivative financial instruments, net of tax 92 (25) 26 (11)
Changes in derivative financial instruments, tax $ 34 $ 10 $ 13 $ 4