XML 86 R72.htm IDEA: XBRL DOCUMENT v3.7.0.1
Reclassifications from Accumulated Other Comprehensive Income - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Net loss amounts reclassified from accumulated other comprehensive earnings/(losses) to net earnings (net of tax) $ 67 $ 38 $ 110 $ 178