Supplemental Financial Information - Condensed Consolidating Balance Sheets (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 1,087	$ 1,560	$ 1,533	$ 913
Accounts and notes receivable, net	547	536
Inventories, net	96	96
Prepaids and other current assets	86	72
Total current assets	1,816	2,264
Property and equipment leased, net	2,035	2,031
Operating lease assets, net	1,130	1,152
Intangible assets, net	11,417	10,701
Goodwill	6,006	5,739
Net investment in property leased to franchisees	80	66
Intercompany receivable	0	0
Investment in subsidiaries	0	0
Other assets, net	762	824
Total assets	23,246	22,777
Current liabilities:
Accounts and drafts payable	614	464
Other accrued liabilities	947	835
Gift card liability	221	191
Current portion of long-term debt and finance leases	96	111
Total current liabilities	1,878	1,601
Long-term debt, net of current portion	12,916	12,397
Long-term portion of lease obligations	333	315
Operating lease liabilities, net of current portion	1,070	1,082
Other liabilities, net	1,822	2,236
Payables to affiliates	0	0
Deferred income taxes, net	1,374	1,425
Total liabilities	19,393	19,056
Partners’ capital:
Common shares	0	0
Retained earnings	0	0
Accumulated other comprehensive income (loss)	(1,024)	(1,275)
Total Partners’ capital	3,850	3,717
Noncontrolling interests	3	4
Total equity	3,853	3,721	4,259	3,618
Total liabilities and equity	23,246	22,777
Class A common units
Partners’ capital:
Class A common units	8,421	7,994
Partnership exchangeable units
Partners’ capital:
Partnership exchangeable units	(3,547)	(3,002)
Eliminations
Current assets:
Cash and cash equivalents	0	0	0	0
Accounts and notes receivable, net	0	0
Inventories, net	0	0
Prepaids and other current assets	0	0
Total current assets	0	0
Property and equipment leased, net	0	0
Operating lease assets, net	0	0
Intangible assets, net	0	0
Goodwill	0	0
Net investment in property leased to franchisees	0	0
Intercompany receivable	(241)	(239)
Investment in subsidiaries	(3,853)	(3,721)
Other assets, net	0	0
Total assets	(4,094)	(3,960)
Current liabilities:
Accounts and drafts payable	0	0
Other accrued liabilities	0	0
Gift card liability	0	0
Current portion of long-term debt and finance leases	0	0
Total current liabilities	0	0
Long-term debt, net of current portion	0	0
Long-term portion of lease obligations	0	0
Operating lease liabilities, net of current portion	0	0
Other liabilities, net	0	0
Payables to affiliates	(241)	(239)
Deferred income taxes, net	0	0
Total liabilities	(241)	(239)
Partners’ capital:
Common shares	(2,635)	(3,026)
Retained earnings	(2,239)	(1,966)
Accumulated other comprehensive income (loss)	1,024	1,275
Total Partners’ capital	(3,850)	(3,717)
Noncontrolling interests	(3)	(4)
Total equity	(3,853)	(3,721)
Total liabilities and equity	(4,094)	(3,960)
Eliminations | Class A common units
Partners’ capital:
Class A common units	0	0
Eliminations | Partnership exchangeable units
Partners’ capital:
Partnership exchangeable units	0	0
Consolidated Borrowers | Reportable Legal Entities
Current assets:
Cash and cash equivalents	1,087	1,560	1,533	913
Accounts and notes receivable, net	547	536
Inventories, net	96	96
Prepaids and other current assets	86	72
Total current assets	1,816	2,264
Property and equipment leased, net	2,035	2,031
Operating lease assets, net	1,130	1,152
Intangible assets, net	11,417	10,701
Goodwill	6,006	5,739
Net investment in property leased to franchisees	80	66
Intercompany receivable	0	0
Investment in subsidiaries	0	0
Other assets, net	762	824
Total assets	23,246	22,777
Current liabilities:
Accounts and drafts payable	614	464
Other accrued liabilities	706	596
Gift card liability	221	191
Current portion of long-term debt and finance leases	96	111
Total current liabilities	1,637	1,362
Long-term debt, net of current portion	12,916	12,397
Long-term portion of lease obligations	333	315
Operating lease liabilities, net of current portion	1,070	1,082
Other liabilities, net	1,822	2,236
Payables to affiliates	241	239
Deferred income taxes, net	1,374	1,425
Total liabilities	19,393	19,056
Partners’ capital:
Common shares	2,635	3,026
Retained earnings	2,239	1,966
Accumulated other comprehensive income (loss)	(1,024)	(1,275)
Total Partners’ capital	3,850	3,717
Noncontrolling interests	3	4
Total equity	3,853	3,721
Total liabilities and equity	23,246	22,777
Consolidated Borrowers | Reportable Legal Entities | Class A common units
Partners’ capital:
Class A common units	0	0
Consolidated Borrowers | Reportable Legal Entities | Partnership exchangeable units
Partners’ capital:
Partnership exchangeable units	0	0
RBILP | Reportable Legal Entities
Current assets:
Cash and cash equivalents	0	0	$ 0	$ 0
Accounts and notes receivable, net	0	0
Inventories, net	0	0
Prepaids and other current assets	0	0
Total current assets	0	0
Property and equipment leased, net	0	0
Operating lease assets, net	0	0
Intangible assets, net	0	0
Goodwill	0	0
Net investment in property leased to franchisees	0	0
Intercompany receivable	241	239
Investment in subsidiaries	3,853	3,721
Other assets, net	0	0
Total assets	4,094	3,960
Current liabilities:
Accounts and drafts payable	0	0
Other accrued liabilities	241	239
Gift card liability	0	0
Current portion of long-term debt and finance leases	0	0
Total current liabilities	241	239
Long-term debt, net of current portion	0	0
Long-term portion of lease obligations	0	0
Operating lease liabilities, net of current portion	0	0
Other liabilities, net	0	0
Payables to affiliates	0	0
Deferred income taxes, net	0	0
Total liabilities	241	239
Partners’ capital:
Common shares	0	0
Retained earnings	0	0
Accumulated other comprehensive income (loss)	(1,024)	(1,275)
Total Partners’ capital	3,850	3,717
Noncontrolling interests	3	4
Total equity	3,853	3,721
Total liabilities and equity	4,094	3,960
RBILP | Reportable Legal Entities | Class A common units
Partners’ capital:
Class A common units	8,421	7,994
RBILP | Reportable Legal Entities | Partnership exchangeable units
Partners’ capital:
Partnership exchangeable units	$ (3,547)	$ (3,002)