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v3.22.1

Financing Activities - Narrative (Details) $ / shares in Units, $ in Millions | 3 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Mar. 31, 2022 USD ($) | Mar. 31, 2021 USD ($) $ / shares | Jan. 01, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | May 01, 2020 USD ($) $ / shares
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Initial conversion price (in USD per share) | $ / shares |  | $ 38.48 |  |  |  |
Decrease in AOCI | $ (10,417) | $ (9,093) |  | $ (10,414) | $ (8,876) |
Payments of long-term debt and finance lease obligations | 93 | 67 |  |  |  |
Capital in excess of par value |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Decrease in AOCI | $ (3,940) | (4,220) |  | (4,224) | (4,191) |
Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Decrease in AOCI |  |  |  | 245 | $ 0 |
Cumulative Effect, Period of Adoption, Adjustment | Capital in excess of par value |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Decrease in AOCI |  |  |  | $ 300 |  |
Cumulative Effect, Period of Adoption, Adjustment | Capital in excess of par value | Accounting Standards Update 2020-06 |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Decrease in AOCI |  |  | $ 300 |  |  |
Convertible Debt |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Principal amount |  |  |  |  |  | $ 2,300
Stated interest rate |  |  |  |  |  | 1.25%
Initial conversion ratio | 0.0259909 |  |  |  |  |
Initial conversion price (in USD per share) | $ / shares |  |  |  |  |  | $ 38.48
Amortization period (in years) | 5 years |  |  |  |  |
Extinguishment of debt | $ 164 |  |  |  |  |
Repayments of long-term debt | 230 |  |  |  |  |
Write off of deferred debt issuance cost | 3 |  |  |  |  |
Loss on extinguishment of debt | (69) |  |  |  |  |
Interest expense | $ 9 | $ 28 |  |  |  |
Convertible Debt | Accounting Standards Update 2020-06 |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Stated interest rate |  |  | 1.25% |  |  |
Net carrying amount |  |  | $ 300 |  |  |
Convertible Debt | Cumulative Effect, Period of Adoption, Adjustment | Capital in excess of par value | Accounting Standards Update 2020-06 |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Decrease in AOCI |  |  | $ 300 |  |  |
Notes Due 2027 |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Stated interest rate | 5.125% |  |  |  |  |
Extinguishment of debt | $ 30 |  |  |  |  |
Repayments of long-term debt | 34 |  |  |  |  |
Loss on extinguishment of debt | (3) |  |  |  |  |
Convertible Debt And Unsecured Debt |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Payments of long-term debt and finance lease obligations | $ 323 |  |  |  |  |

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