Quarterly report pursuant to Section 13 or 15(d)

Debt (Interest Expense Narrative) (Details)

v3.21.2
Debt (Interest Expense Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Debt Instrument [Line Items]        
Interest expense $ 47 $ 46 $ 100 $ 87
Capitalized Interest Costs, Including Allowance for Funds Used During Construction 1 1 1 1
Consumer financing interest 20 25 44 50
consumer finance interest [Member]        
Debt Instrument [Line Items]        
Consumer financing interest $ 20 $ 25 44 50
Debt        
Debt Instrument [Line Items]        
Cash paid for interest     105 81
Non-Recourse Vacation Ownership Debt [Member]        
Debt Instrument [Line Items]        
Cash paid for interest     $ 31 $ 37