Quarterly report pursuant to Section 13 or 15(d)

Separation-Related and Transaction-Related Costs (Details)

v3.10.0.1
Separation-Related and Transaction-Related Costs (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended 9 Months Ended
May 31, 2018
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Separation-related costs   $ 17 $ 0 $ 63 $ 0
Transaction-related, net   7 $ 1 37 1
Pre-tax gain on sale of hotel brand $ 23     23 $ 0
La Quinta Hotel Franchising and Management Business          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Transaction-related, net       60  
Spin-Off, Hotel Group Business          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Separation-related costs   $ 17   $ 63