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Summary of Significant Accounting Policies - Depreciation and Amortization (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Capitalized Contract Cost [Line Items] |  |  |
Amortization of capitalized contract costs | $ 332 | $ 168 | $ 86
Amortization of customer relationships and other intangible assets | 800 | 870 | 343
Depreciation of property, plant and equipment | 271 | 257 | 291
Total depreciation and amortization | 1,403 | 1,295 | 720
Contract Cost, Fulfillment |  |  |
Capitalized Contract Cost [Line Items] |  |  |
Amortization of capitalized contract costs | 120 | 37 | 0
Contract Cost, Acquisitions |  |  |
Capitalized Contract Cost [Line Items] |  |  |
Amortization of capitalized contract costs | $ 212 | $ 131 | $ 86

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- Definition Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 340 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479483/340-40-50-3 + Details
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