v3.25.4

Shareholders' Equity - Additional Information (Details)		12 Months Ended
Shareholders' Equity - Additional Information (Details)	Aug. 05, 2025 shares	Dec. 31, 2025 USD ($) day shares	Dec. 31, 2024 USD ($) shares	Dec. 31, 2023 USD ($) shares	Aug. 06, 2025 USD ($) shares
Stockholders Equity [Line Items]
Conversion rate (in shares)		1
Consecutive trading days \| day		20
Partnership exchangeable units (in shares)			6,559,187	9,398,876
Gain (loss) recorded on equity transactions \| $		$ 0	$ 0	$ 0
Number of shares authorized to be repurchased (in shares up to)	1,000,000,000				1,000,000,000
Stock repurchase program, period	2 years
Number of shares repurchased and cancelled (in shares)		0	0	7,639,137
Amount of shares repurchased and cancelled \| $				$ 500,000,000
Remaining authorized repurchase amount \| $		$ 1,000,000,000			$ 500,000,000
Partnerships Exchangeable Units
Stockholders Equity [Line Items]
Partnership exchangeable units (in shares)		17,682,032
Restaurant Brands International Limited Partnership
Stockholders Equity [Line Items]
Partnership exchangeable units economic interest		24.00%	28.10%
Partnership exchangeable units economic interest (in shares)		109,356,545	127,038,577

Noncontrolling interest ownership of common unit.

+ References

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- Definition

Partnerships' Capital, Conversion Rate

+ References

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- Definition

Stockholders Equity [Line Items]

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No definition available.

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- Definition

Number of shares authorized to be purchased under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 505
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481520/505-30-50-4

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- Definition

Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature.

+ References

No definition available.

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- Definition

Amount of realized gain (loss) from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(3)(d)(1))
-Publisher FASB
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 321
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-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
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- Definition

Percentage investment held by members or limited partners of limited liability company (LLC) or limited partnership (LP).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482987/272-10-50-3

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- Definition

The number of shares issued during the period upon the conversion of units. An example of a convertible unit is an umbrella partnership real estate investment trust unit (UPREIT unit).

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Period share may be purchased under authorized share repurchase plan, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, repurchase of stock and unit of ownership.

+ References

No definition available.

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Amount remaining authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

+ References

No definition available.

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- Definition

Number of shares that have been repurchased and retired during the period.

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- Definition

Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

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Restaurant Brands International Inc. 10-K