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Financing Activities (Tables) | 3 Months Ended
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Mar. 31, 2022
Fair Value Disclosures [Abstract] |
Schedule of Debt | The following table details the equity and liability component recognized related to the Convertible Notes, prior to and following the adoption of ASU 2020-06:
(in millions) | March 31, 2022 |  | December 31, 2021
Equity component: |  |  |
Carrying amount of Convertible Notes | $ | — |  |  | $ | 311 |
Carrying amount of issuance costs | — |  |  | (11) |
Net carrying amount | $ | — |  |  | $ | 300 |
Liability component: |  |  |
Principal amount | $ | 1,933 |  |  | $ | 2,097 |
Unamortized debt discount | — |  |  | (255) |
Net carrying amount | $ | 1,933 |  |  | $ | 1,842 |
Interest Income and Interest Expense Disclosure | The Company recognized interest expense associated with the Convertible Notes as follows:
| Three months ended March 31,
(in millions) | 2022 |  | 2021
Non-cash amortization of the debt discount | $ | — |  |  | $ | 19 |
Non-cash amortization of debt issuance costs | 3 |  |  | 2 |
Contractual coupon interest | 6 |  |  | 7 |
Total interest expense | $ | 9 |  |  | $ | 28 |

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