Annual report pursuant to Section 13 and 15(d)

Supplemental Disclosures to Consolidated Statements of Cash Flows - Recasting Restricted Cash (Details)

v3.10.0.1
Supplemental Disclosures to Consolidated Statements of Cash Flows - Recasting Restricted Cash (Details) - USD ($)
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Cash, cash equivalents and restricted cash $ 672,000,000 $ 695,000,000 $ 659,000,000 $ 649,000,000
Restatement Adjustment | ASU 2016-18        
New Accounting Pronouncements or Change in Accounting Principle [Line Items]        
Cash, cash equivalents and restricted cash     $ 5,000,000