Supplemental Financial Information - Condensed Consolidating Balance Sheets (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 2,498	$ 1,533
Accounts and notes receivable, net	414	527
Inventories, net	85	84
Prepaids and other current assets	62	52
Total current assets	3,059	2,196
Property and equipment, net	1,939	2,007
Operating lease assets, net	1,115	1,176
Intangible assets, net	10,085	10,563
Goodwill	5,376	5,651
Net investment in property leased to franchisees	49	48
Intercompany receivable	0	0
Investment in subsidiaries	0	0
Other assets, net	1,006	719
Total assets	22,629	22,360
Current liabilities:
Accounts and drafts payable	484	644
Other accrued liabilities	779	790
Gift card liability	106	168
Current portion of long term debt and finance leases	103	101
Total current liabilities	1,472	1,703
Long-term debt, net of current portion	12,822	11,759
Finance leases, net of current portion	283	288
Operating lease liabilities, net of current portion	1,039	1,089
Other liabilities, net	1,774	1,698
Payables to affiliates	0	0
Deferred income taxes, net	1,487	1,564
Total liabilities	18,877	18,101
Partners’ capital:
Common shares	0	0
Retained Earnings	0	0
Accumulated other comprehensive income (loss)	(1,721)	(1,178)
Total Partners’ capital	3,749	4,255
Noncontrolling interests	3	4
Total equity	3,752	4,259	$ 3,773	$ 3,618
Total liabilities and equity	22,629	22,360
Class A common units
Partners’ capital:
Class A common units	7,840	7,786
Total equity	7,840	7,786	4,423	4,323
Partnership exchangeable units
Partners’ capital:
Partnership exchangeable units	(2,370)	(2,353)
Total equity	(2,370)	(2,353)	$ 737	$ 730
Eliminations
Current assets:
Cash and cash equivalents	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, 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	(242)	(232)
Investment in subsidiaries	(3,752)	(4,259)
Other assets, net	0	0
Total assets	(3,994)	(4,491)
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
Finance leases, net of current portion	0	0
Operating lease liabilities, net of current portion	0	0
Other liabilities, net	0	0
Payables to affiliates	(242)	(232)
Deferred income taxes, net	0	0
Total liabilities	(242)	(232)
Partners’ capital:
Common shares	(3,303)	(3,248)
Retained Earnings	(2,167)	(2,185)
Accumulated other comprehensive income (loss)	1,721	1,178
Total Partners’ capital	(3,749)	(4,255)
Noncontrolling interests	(3)	(4)
Total equity	(3,752)	(4,259)
Total liabilities and equity	(3,994)	(4,491)
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	2,498	1,533
Accounts and notes receivable, net	414	527
Inventories, net	85	84
Prepaids and other current assets	62	52
Total current assets	3,059	2,196
Property and equipment, net	1,939	2,007
Operating lease assets, net	1,115	1,176
Intangible assets, net	10,085	10,563
Goodwill	5,376	5,651
Net investment in property leased to franchisees	49	48
Intercompany receivable	0	0
Investment in subsidiaries	0	0
Other assets, net	1,006	719
Total assets	22,629	22,360
Current liabilities:
Accounts and drafts payable	484	644
Other accrued liabilities	537	558
Gift card liability	106	168
Current portion of long term debt and finance leases	103	101
Total current liabilities	1,230	1,471
Long-term debt, net of current portion	12,822	11,759
Finance leases, net of current portion	283	288
Operating lease liabilities, net of current portion	1,039	1,089
Other liabilities, net	1,774	1,698
Payables to affiliates	242	232
Deferred income taxes, net	1,487	1,564
Total liabilities	18,877	18,101
Partners’ capital:
Common shares	3,303	3,248
Retained Earnings	2,167	2,185
Accumulated other comprehensive income (loss)	(1,721)	(1,178)
Total Partners’ capital	3,749	4,255
Noncontrolling interests	3	4
Total equity	3,752	4,259
Total liabilities and equity	22,629	22,360
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
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, 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	242	232
Investment in subsidiaries	3,752	4,259
Other assets, net	0	0
Total assets	3,994	4,491
Current liabilities:
Accounts and drafts payable	0	0
Other accrued liabilities	242	232
Gift card liability	0	0
Current portion of long term debt and finance leases	0	0
Total current liabilities	242	232
Long-term debt, net of current portion	0	0
Finance leases, net of current portion	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	242	232
Partners’ capital:
Common shares	0	0
Retained Earnings	0	0
Accumulated other comprehensive income (loss)	(1,721)	(1,178)
Total Partners’ capital	3,749	4,255
Noncontrolling interests	3	4
Total equity	3,752	4,259
Total liabilities and equity	3,994	4,491
RBILP | Reportable Legal Entities | Class A common units
Partners’ capital:
Class A common units	7,840	7,786
RBILP | Reportable Legal Entities | Partnership exchangeable units
Partners’ capital:
Partnership exchangeable units	$ (2,370)	$ (2,353)