XML 54 R41.htm IDEA: XBRL DOCUMENT v3.21.2
Accumulated Other Comprehensive Income (Loss) -Reclassifications from AOCL to Results of Operations (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Loss before income taxes $ 243 $ 93 $ 369 $ (1,390)
Reclassification out of Accumulated Other Comprehensive Income | Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Loss before income taxes 6 5 11 11
Reclassification out of Accumulated Other Comprehensive Income | Accumulated Net Gain (Loss) from Cash Flow Hedges Including Portion Attributable to Noncontrolling Interest        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Loss before income taxes $ 7 $ 0 $ 11 $ 1