Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Cash Flows (Parenthetical)

v3.19.1
Condensed Consolidated Statements of Cash Flows (Parenthetical) - USD ($)
$ in Millions
Mar. 31, 2019
Dec. 31, 2018
Statement of Cash Flows [Abstract]    
Cash and cash equivalents $ 633 $ 358
Restricted cash included in other current assets $ 14 $ 70
Restricted cash, current - location us-gaap:OtherCurrentAssetsMember us-gaap:OtherCurrentAssetsMember
Restricted cash included in other assets $ 24 $ 24
Restricted cash, noncurrent - location us-gaap:OtherNoncurrentAssetsMember us-gaap:OtherNoncurrentAssetsMember
Total cash and cash equivalents and restricted cash at end of period $ 671 $ 452