| Lease Cost |
Lease cost recognized in our consolidated statements of operations is summarized as follows (in millions): | | | | | | | | | | | | | | | | | Three Months Ended March 31, | | | | 2023 | | 2024 | | | | | | Operating lease cost | $ | 2,512 | | | $ | 2,829 | | | | | | | Finance lease cost: | | | | | | | | | Amortization of lease assets | 1,546 | | | 941 | | | | | | | Interest on lease liabilities | 80 | | | 73 | | | | | | | Finance lease cost | 1,626 | | | 1,014 | | | | | | | | | | | | | | | Variable lease cost | 518 | | | 635 | | | | | | | Total lease cost | $ | 4,656 | | | $ | 4,478 | | | | | | | | | | | | | | | | | | | | | |
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| Lease Liabilities |
Our lease liabilities were as follows (in millions): | | | | | | | | | | | | | | | | | | | December 31, 2023 | | | Operating Leases | | Finance Leases | | Total | | Gross lease liabilities | $ | 90,777 | | | $ | 14,106 | | | $ | 104,883 | | | Less: imputed interest | (15,138) | | | (1,997) | | | (17,135) | | | Present value of lease liabilities | 75,639 | | | 12,109 | | | 87,748 | | | Less: current portion of lease liabilities | (8,419) | | | (2,032) | | | (10,451) | | | Total long-term lease liabilities | $ | 67,220 | | | $ | 10,077 | | | $ | 77,297 | |
| | | | | | | | | | | | | | | | | | | March 31, 2024 | | | Operating Leases | | Finance Leases | | Total | | Gross lease liabilities | $ | 91,419 | | | $ | 13,262 | | | $ | 104,681 | | | Less: imputed interest | (15,400) | | | (2,022) | | | (17,422) | | | Present value of lease liabilities | 76,019 | | | 11,240 | | | 87,259 | | | Less: current portion of lease liabilities | (8,581) | | | (1,626) | | | (10,207) | | | Total long-term lease liabilities | $ | 67,438 | | | $ | 9,614 | | | $ | 77,052 | |
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