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Revenue from Contracts With Customers (Tables) | 6 Months Ended
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Jun. 30, 2025
Revenue from Contracts with Customers |
Schedule of the disaggregation of revenue by timing of transfer of control | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended June 30, | ​ | Six Months Ended June 30,
($ in millions) | ​ | Point in Time | ​ | Over Time | ​ | Total |  | Point in Time | ​ | Over Time | ​ | Total
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
2025 | ​ | $ | 568 | ​ | $ | 2,770 | ​ | $ | 3,338 | ​ | $ | 1,112 | ​ | $ | 5,323 | ​ | $ | 6,435
2024 | ​ | ​ | 627 | ​ | ​ | 2,332 | ​ | ​ | 2,959 | ​ | ​ | 1,183 | ​ | ​ | 4,650 | ​ | ​ | 5,833
Schedule of balances of contract liabilities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Contract | ​ | Contract
​ | ​ | Liabilities | ​ | Liabilities
($ in millions) |  | (Current) | ​ | (Noncurrent)
​ | ​ | ​ | ​ | ​ | ​ | ​
Balance at December 31, 2024 | ​ | $ | 50 | ​ | $ | 2
Increase (decrease) | ​ | ​ | 9 | ​ | ​ | —
Balance at June 30, 2025 | ​ | $ | 59 | ​ | $ | 2

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-10 + Details
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 + Details
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- References No definition available. + Details
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