XML 135 R95.htm IDEA: XBRL DOCUMENT v3.19.2
Business Disposition and Discontinued Operations - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
May 31, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Income (Loss) from Ongoing Equity Method Investment in Discontinued Operation after Disposal $ 3   $ 31    
Discontinued Operations, Held-for-sale or Disposed of by Sale [Member]          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Ownership interest retained, percentage         9.70%
Discontinued Operation, Amount of Adjustment to Prior Period Gain (Loss) on Disposal, Net of Tax   $ 151   $ 213