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CAPITAL STRUCTURE FINANCIAL POLICIES - (Tables) | 12 Months Ended
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Dec. 31, 2021
CAPITAL STRUCTURE FINANCIAL POLICIES |
Schedule of components of ratios | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Capital |  | ​ |  | ​ |
​ | ​ | Measure | ​ | December 31 | ​ | December 31 |
($ millions) | ​ | Target | ​ | 2021 | ​ | 2020 |
Components of ratios |  |  |  |  |  |  | ​
Short-term debt |  |  |  | 1 284 |  | 3 566 | ​
Current portion of long-term debt |  |  |  | 231 |  | 1 413 | ​
Current portion of long-term lease liabilities | ​ | ​ | ​ | 310 | ​ | 272 | ​
Long-term debt |  |  |  | 13 989 |  | 13 812 | ​
Long-term lease liabilities | ​ | ​ | ​ | 2 540 | ​ | 2 636 | ​
Total debt(1) |  |  |  | 18 354 |  | 21 699 | ​
Less: Cash and cash equivalents |  |  |  | 2 205 |  | 1 885 | ​
Net debt(1) |  |  |  | 16 149 |  | 19 814 | ​
Shareholders’ equity |  |  |  | 36 614 |  | 35 757 | ​
Total capitalization (total debt plus shareholders’ equity) |  |  |  | 54 968 |  | 57 456 | ​
Adjusted funds from operations(2) |  |  |  | 10 257 |  | 3 876 | ​
Net debt to adjusted funds from operations |  | <3.0 times |  | 1.6 |  | 5.1 | ​
Total debt to total debt plus shareholders’ equity | ​ | 20% - 35% | ​ | 33.4% | ​ | 37.8% | ​
(1) | Total debt and net debt are non-GAAP financial measures.
(2) | Adjusted funds from operations is calculated as cash flow from operating activities before changes in non-cash working capital, and is a non-GAAP financial measure.

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