Our assets measured at fair value subject to the three-tier hierarchy at March 31, 2026, were as follows: | | | | | | | | | | | | | | | | | | | | Fair Value Measurements at Reporting Date Using | | Quoted Prices in
Active Markets for
Identical Assets | | Significant
Other Observable
Inputs | | Significant
Unobservable
Inputs | | (In millions of USD) | (Level 1) | | (Level 2) | | (Level 3) | | Financial assets measured on a recurring basis: | | | | | | | Cash and cash equivalents | $ | 3 | | | $ | — | | | $ | — | | | Mutual funds — fixed income securities | 41 | | | — | | | — | | | Mutual funds — equity securities | 14 | | | — | | | — | | | Interest rate swap derivatives | — | | | 1 | | | — | | | | | | | | | | | | | | | Total | $ | 58 | | | $ | 1 | | | $ | — | |
Our assets and liabilities measured at fair value subject to the three-tier hierarchy at December 31, 2025, were as follows: | | | | | | | | | | | | | | | | | | | | Fair Value Measurements at Reporting Date Using | | Quoted Prices in
Active Markets for
Identical Assets | | Significant
Other Observable
Inputs | | Significant
Unobservable
Inputs | | (In millions of USD) | (Level 1) | | (Level 2) | | (Level 3) | | Financial assets measured on a recurring basis: | | | | | | | Cash and cash equivalents | $ | 3 | | | $ | — | | | $ | — | | | Mutual funds — fixed income securities | 41 | | | — | | | — | | | Mutual funds — equity securities | 15 | | | — | | | — | | | Interest rate swap derivatives | — | | | 3 | | | — | | | Financial liabilities measured on a recurring basis: | | | | | | | Interest rate swap derivatives | — | | | 4 | | | — | | | Total | $ | 59 | | | $ | (1) | | | $ | — | |
|