Subsequent Events (Details) - USD ($) $ / shares in Units, $ in Millions |
1 Months Ended | 3 Months Ended | 6 Months Ended | ||
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Jul. 07, 2026 |
Aug. 06, 2026 |
Jul. 31, 2026 |
Jun. 30, 2026 |
Jun. 30, 2026 |
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| Subsequent Event [Line Items] | |||||
| Shares repurchased during period (in shares) | 1,821,167 | 2,284,609 | |||
| Stock repurchased during period | $ 137 | $ 171 | |||
| Remaining authorized repurchase amount | $ 829 | $ 829 | |||
| Subsequent Event | |||||
| Subsequent Event [Line Items] | |||||
| Common stock dividends paid (in usd per share) | $ 0.65 | ||||
| Dividends payable (in used per share) | $ 0.65 | ||||
| Shares repurchased during period (in shares) | 463,385 | ||||
| Stock repurchased during period | $ 35 | ||||
| Remaining authorized repurchase amount | $ 794 | ||||
| Subsequent Event | Partnership exchangeable units | Restaurant Brands International Limited Partnership | |||||
| Subsequent Event [Line Items] | |||||
| Distribution in respect of each Partnership exchangeable unit (in usd per share) | 0.65 | $ 0.65 | |||
| Distribution paid in respect of each Partnership exchangeable unit (in usd per share) | $ 0.65 | ||||
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- Definition Aggregate dividends paid during the period for each share of common stock outstanding. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Per unit of ownership amount of cash distributions declared to unit-holder of a limited partnership (LP). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Per unit of ownership amount of cash distributions paid to unit-holder of a limited partnership (LP). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The per share amount of a dividend declared, but not paid, as of the financial reporting date. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount remaining authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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