Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016
Successor
Accumulated depreciation	$ 121
Common Stock, Par or Stated Value Per Share	$ 0.30
Common stock, shares authorized	1,800,000,000
Common Stock, Shares, Issued	100
Predecessor
Accumulated depreciation		$ 14,164
Common Stock, Par or Stated Value Per Share		$ 0.30
Common stock, shares authorized		1,800,000,000
Common Stock, Shares, Issued		950,044,000
Treasury Stock, Shares		87,041,000