Commitments and Contingencies - Contingent Purchase Obligations (Details) $ in Millions |
Jun. 30, 2020
USD ($)
|
---|---|
Guarantor Obligations [Line Items] | |
Guarantee | $ 277 |
Guarantee, recorded liability | 142 |
Sheraton Grand Chicago Hotel | |
Guarantor Obligations [Line Items] | |
Guarantee, recorded liability | 57 |
Sheraton Grand Chicago Hotel | Hotel and Leasehold | |
Guarantor Obligations [Line Items] | |
Guarantee | 300 |
Sheraton Grand Chicago Hotel | Land | |
Guarantor Obligations [Line Items] | |
Guarantee | $ 200 |