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v3.20.4

other long-term liabilities | 12 Months Ended
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Dec. 31, 2020
other long-term liabilities |
other long-term liabilities | 27 other long-term liabilities
As at December 31 (millions) |  | Note |  | 2020 |  | 2019
Contract liabilities |  | 24 |  | $ | 61 |  | $ | 70
Other |  |  |  |  | 5 |  |  | 7
Deferred revenues |  |  |  |  | 66 |  |  | 77
Pension benefit liabilities |  | 15(b) |  |  | 926 |  |  | 580
Other post-employment benefit liabilities |  |  |  |  | 64 |  |  | 53
Restricted share unit and deferred share unit liabilities |  |  |  |  | 17 |  |  | 42
Derivative liabilities |  | 4(h) |  |  | 155 |  |  | 26
Investment in real estate joint ventures |  | 21(b) |  |  | 12 |  |  | 5
Other |  |  |  |  | 15 |  |  | 10
|  |  |  |  | 1,255 |  |  | 793
Deferred customer activation and connection fees |  | 24 |  |  | 10 |  |  | 13
|  |  |  | $ | 1,265 |  | $ | 806

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