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Income Taxes ITD Dispute (Details) $ in Millions, ₨ in Billions | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2013 USD ($) | Dec. 31, 2023 INR (₨) | Apr. 30, 2018 INR (₨) | Mar. 31, 2018 INR (₨)
One-time Transaction [Table] [Line Items] |  |  |  |  |  |  |  |
Income Tax Expense (Benefit) | $ 713 | $ 668 | $ 730 |  |  |  |  |
Deposits Assets | 403 | 60 |  |  |  |  |  |
Restricted Cash Equivalents |  | 96 |  |  |  |  |  |
Long-term investments [Member] |  |  |  |  |  |  |  |
One-time Transaction [Table] [Line Items] |  |  |  |  |  |  |  |
Restricted Investments | 0 | 355 |  |  |  |  |  |
Foreign Tax Jurisdiction | Ministry of Finance, India [Member] | 2016 India Cash Remittance [Member] |  |  |  |  |  |  |  |
One-time Transaction [Table] [Line Items] |  |  |  |  |  |  |  |
Foreign Earnings Repatriated |  |  |  | $ 2,800 |  |  |  |
Income Tax Expense (Benefit) |  |  |  | $ 135 |  |  |  |
Income Tax, Disputed Amount | $ 386 |  |  |  |  |  |  | ₨ 33
Deposits Assets | ₨ |  |  |  |  |  |  | ₨ 5 |
Deposits Assets, Percent Disputed Tax Amount |  |  |  |  |  |  | 15.00% |
Restricted Investments |  | 355 |  |  |  |  |  |
Restricted Cash Equivalents |  | 96 |  |  |  |  |  |
Foreign Tax Jurisdiction | Ministry of Finance, India [Member] | 2016 India Cash Remittance [Member] | Long-term investments [Member] |  |  |  |  |  |  |  |
One-time Transaction [Table] [Line Items] |  |  |  |  |  |  |  |
Restricted Investments |  | $ 355 |  |  |  | ₨ 30 |  |
Foreign Tax Jurisdiction | Ministry of Finance, India [Member] | 2013 India Share Repurchase [Member] |  |  |  |  |  |  |  |
One-time Transaction [Table] [Line Items] |  |  |  |  |  |  |  |
Foreign Earnings Repatriated |  |  |  |  | $ 523 |  |  |

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