XML 65 R50.htm IDEA: XBRL DOCUMENT v3.8.0.1
Reclassifications from Accumulated Other Comprehensive Income (Loss) (Components of Accumulated Other Comprehensive Income (Loss)) (Details)
$ in Millions
3 Months Ended
Mar. 31, 2018
USD ($)
Accumulated Other Comprehensive Income (Loss) [Line Items]  
Beginning balance, December 31, 2017 $ (44)
Other comprehensive income (loss) before reclassifications
Amounts reclassified from other comprehensive income (loss)
Net current-period other comprehensive income (loss)
Ending balance, March 31, 2018 (44)
Pension And Other Postretirement [Member]  
Accumulated Other Comprehensive Income (Loss) [Line Items]  
Beginning balance, December 31, 2017 (30)
Other comprehensive income (loss) before reclassifications
Amounts reclassified from other comprehensive income (loss)
Net current-period other comprehensive income (loss)
Ending balance, March 31, 2018 (30)
Foreign Currency [Member]  
Accumulated Other Comprehensive Income (Loss) [Line Items]  
Beginning balance, December 31, 2017 (14)
Other comprehensive income (loss) before reclassifications
Amounts reclassified from other comprehensive income (loss)
Net current-period other comprehensive income (loss)
Ending balance, March 31, 2018 $ (14)