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Fair Value Measurements and Financial Instruments - Schedule of Designated Derivative Activity (Details) - Fair Value Hedges - Designated as Hedging Instrument - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Interest rate swaps |  |
Derivative [Line Items] |  |
Notional value entered into | $ 0 | $ 0
Notional value settled | 0 | 0
Interest rate swaps | Interest Expense |  |
Derivative [Line Items] |  |
Pre-tax gain (loss) recognized in Interest expense | 2 | (1)
Cross currency swaps |  |
Derivative [Line Items] |  |
Notional value entered into | 2,146 | 0
Notional value settled | 3,067 | 838
Exchange gains (losses) from the conversion of foreign currency denominated as debt | (742) | 355
Excluded component | 282 | (378)
Cash received (paid) for settlement of derivatives | (216) | (117)
Cross currency swaps | Verizon Stated And Floating Rate Notes and Bonds |  |
Derivative [Line Items] |  |
Exchange gains (losses) from the conversion of foreign currency denominated as debt | 742 | (355)
Cross currency swaps | Interest Expense |  |
Derivative [Line Items] |  |
Excluded component | $ 26 | $ 27

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- Definition Amount, before tax, of adjustments from accumulated other comprehensive income (AOCI) for gain (loss) from increase (decrease) in value of excluded component of derivative designated and qualifying as hedge. Adjustments include, but are not limited to, reclassifications for sale and settlement, and amounts recognized under systematic and rational method. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4C -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4C Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-11 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-15 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 10A -Subparagraph (dd) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-10A + Details
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