Leases - Schedule of Future Minimum Lease Payments for Financing Obligation (Details) $ in Millions	Sep. 30, 2020 USD ($)
GLPI Leases
Lessee, Lease, Description [Line Items]
2020 (excluding the nine months September 30, 2020)	$ 27
2021	109
2022	109
2023	111
2024	112
Thereafter	4,880
Total future payments	5,348
Less: Amounts representing interest	4,522
Plus: Residual values	399
Financing obligation	1,225
VICI Leases
Lessee, Lease, Description [Line Items]
2020 (excluding the nine months September 30, 2020)	268
2021	1,079
2022	1,097
2023	1,119
2024	1,139
Thereafter	46,737
Total future payments	51,439
Less: Amounts representing interest	41,020
Plus: Residual values	906
Financing obligation	$ 11,325