Leases - Schedule of Supplemental Balance Sheet Information Related to Leases (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Operating leases
Operating lease right-of-use assets, net	$ 8,240,897	$ 8,286,694
Operating lease liabilities - current, classified within "Other accrued liabilities"	$ 29,837	$ 31,843
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Other accrued liabilities	Other accrued liabilities
Operating lease liabilities - long-term	$ 8,392,216	$ 8,390,117
Total operating lease liabilities	8,422,053	8,421,960
Finance leases
Finance lease right-of-use assets, net classified within "Property and equipment, net"	$ 183,155	$ 200,980
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Property and equipment, net	Property and equipment, net
Finance lease liabilities - current, classified within "Other accrued liabilities"	$ 76,496	$ 80,193
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	Other accrued liabilities	Other accrued liabilities
Finance lease liabilities - long-term, classified within "Other long-term obligations"	$ 116,591	$ 134,287
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other long-term obligations	Other long-term obligations
Total finance lease liabilities	$ 193,087	$ 214,480
Weighted-average remaining lease term (years)
Operating leases	30 years	30 years
Finance leases	3 years	3 years
Weighted-average discount rate (%)
Operating leases	8.00%	8.00%
Finance leases	3.00%	3.00%