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OTHER LONG TERM LIABILITIES | 12 Months Ended
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Dec. 31, 2021
OTHER LONG TERM LIABILITIES |
OTHER LONG TERM LIABILITIES | 22. OTHER LONG-TERM LIABILITIES ​
​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31 |  | December 31 |
($ millions) | ​ | 2021 | ​ | 2020 |
Pensions and other post-retirement benefits (note 23) |  | 1 207 |  | 2 004 | ​
Share-based compensation plans (note 26) |  | 291 |  | 143 | ​
Partnership liability (note 27)(1) | ​ | 427 | ​ | 436 | ​
Deferred revenue |  | 29 |  | 35 | ​
Libya Exploration and Production Sharing Agreement (EPSA) signature bonus(2) |  | 74 |  | 74 | ​
Other |  | 152 |  | 148 | ​
​ |  | 2 180 |  | 2 840 | ​
​
(1) | The company paid $60 million in 2021 (2020 – $62 million) in distributions to the partners of the East Tank Farm Development, of which $51 million (2020 – $52 million) was allocated to interest expense and $9 million (2020 – $10 million) to the principal.
(2) | As part of the 2009 acquisition of Petro-Canada, the company assumed the remaining US$500 million obligation for a signature bonus relating to Petro-Canada’s ratification of six EPSAs in Libya. At December 31, 2021, the carrying amount of the Libya EPSAs’ signature bonus was $78 million (December 31, 2020 – $78 million). The current portion is $4 million (December 31, 2020 – $4 million) and is recorded in Accounts Payable and Accrued Liabilities.

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