| Estimated Fair Value And Carrying Amounts |
The aggregate estimated fair value and carrying value of our Global Revolving Credit Facilities, Euro Term Loan Facilities, unsecured senior notes and secured and other debt as of the respective periods are shown below (in thousands): | | | | | | | | | | | | | | | | | Categorization | | As of June 30, 2026 | | As of December 31, 2025 | | | under the fair value | | Estimated Fair | | Amount | | Estimated Fair | | Amount | | | hierarchy | | Value | | Outstanding | | Value | | Outstanding | Global Revolving Credit Facilities (1) | | Level 2 | | $ | 726,207 | | $ | 726,207 | | $ | 918,540 | | $ | 918,540 | Unsecured term loans (1) | | Level 2 | | | 428,325 | | | 428,325 | | | 440,475 | | | 440,475 | Unsecured senior notes (2) | | Level 2 | | | 15,451,906 | | | 16,019,337 | | | 15,646,232 | | | 16,321,227 | Secured and other debt (2) | | Level 2 | | | 1,591,017 | | | 1,593,735 | | | 873,504 | | | 876,528 | | | | | $ | 18,197,455 | | $ | 18,767,604 | | $ | 17,878,751 | | $ | 18,556,770 |
| (1) | The carrying value of our Global Revolving Credit Facilities and unsecured term loans approximates estimated fair value, due to the variability of interest rates and the stability of our credit ratings. |
| (2) | Valuations for our unsecured senior notes and secured and other debt are determined based on the expected future payments discounted at risk-adjusted rates and quoted market prices. |
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