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Share repurchase program (Details) - USD ($) $ / shares in Units, shares in Millions |  |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | --- | --- | ---
Feb. 22, 2024 | Nov. 13, 2023 | Nov. 09, 2023 | Dec. 31, 2023 | Sep. 30, 2024 | Sep. 30, 2024
325 Million Second Accelerated Share Repurchase |  |  |  |  |  |
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |  |  |
Shares approved to be repurchased under share repurchase program, amount (up to) |  |  | $ 325,000,000 |  |  |
Shares repurchased under share repurchase program (in shares) | 4.0 | 17.3 | 17.3 |  |  |
Shares repurchased value under share repurchase program |  | $ 260,000,000 |  |  |  |
Treasury stock, value, acquired, cost method |  | $ 260,000,000 |  |  |  |
Stock repurchase program, percent repurchased |  | 80.00% |  |  |  |
Number of shares repurchased (in shares) | 4.0 | 17.3 | 17.3 |  |  |
December2023 Share Repurchase Program |  |  |  |  |  |
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |  |  |
Shares approved to be repurchased under share repurchase program, amount (up to) |  |  |  | $ 650,000,000 |  |
Shares repurchased under share repurchase program (in shares) |  |  |  |  | 4.8 | 15.7
Shares repurchased value under share repurchase program |  |  |  |  | $ 70,100,000 | $ 226,000,000
Treasury stock value acquired not yet have been paid |  |  |  |  | $ 1,000,000 |
Average price paid per share (in dollar per share) |  |  |  |  | $ 14.51 | $ 14.36
Treasury stock, value, acquired, cost method |  |  |  |  | $ 70,100,000 | $ 226,000,000
Share repurchase program expiration date |  |  |  | Dec. 31, 2025 |  |
Number of shares repurchased (in shares) |  |  |  |  | 4.8 | 15.7

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- Definition Amount authorized for purchase of share 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 + Details
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- Definition Expiration date for purchase of share under share repurchase plan, in YYYY-MM-DD format. 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 + Details
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