24 | advance billings and customer deposits |
| | | | | | | | | June 30, | | December 31, | As at (millions) | | 2026 | | 2025 | Advance billings | | $ | 825 | | $ | 877 | Deferred customer activation and connection fees | | | 4 | | | 3 | Customer deposits | | | 15 | | | 13 | Contract liabilities | | | 844 | | | 893 | Other | | | 136 | | | 160 | | | $ | 980 | | $ | 1,053 |
Contract liabilities represent our future performance obligations to customers for services and/or equipment for which we have already received consideration or for which an amount is due from the customer. Our contract liability balances, and the changes in those balances, are as follows: | | | | | | | | | | | | | | | Three months | | Six months | Periods ended June 30 (millions) | | 2026 | | 2025 | | 2026 | | 2025 | Balance, beginning of period | | $ | 1,182 | | $ | 1,135 | | $ | 1,161 | | $ | 1,102 | Revenue deferred in previous period and recognized in current period | | | (725) | | | (636) | | | (649) | | | (631) | Net additions arising from operations | | | 667 | | | 654 | | | 612 | | | 682 | Additions arising from business acquisitions | | | — | | | 23 | | | — | | | 23 | Balance, end of period | | $ | 1,124 | | $ | 1,176 | | $ | 1,124 | | $ | 1,176 | Current | | | | | | | | $ | 965 | | $ | 1,026 | Non-current (Note 27) | | | | | | | | | | | | | Deferred revenues | | | | | | | | | 158 | | | 147 | Deferred customer activation and connection fees | | | | | | | | | 1 | | | 3 | | | | | | | | | $ | 1,124 | | $ | 1,176 | Reconciliation of contract liabilities presented in the Consolidated statements of financial position – current | | | | | | | | | | | | | Gross contract liabilities | | | | | | | | $ | 965 | | $ | 1,026 | Reclassification to contract assets of contracts with contract liabilities less than contract assets (Note 6(c)) | | | | | | | | | (108) | | | (119) | Reclassification from contract assets of contracts with contract assets less than contract liabilities (Note 6(c)) | | | | | | | | | (13) | | | (17) | | | | | | | | | $ | 844 | | $ | 890 |
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