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CAPITAL STRUCTURE FINANCIAL POLICIES - (Tables) | 12 Months Ended
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Dec. 31, 2020
CAPITAL STRUCTURE FINANCIAL POLICIES |
Schedule of components of ratios |
($ millions) |  | Capital Measure Target |  | December 31 2020 |  | December 31 2019 |
Components of ratios |  |  |  |  |  |  |
| Short-term debt |  |  |  | 3 566 |  | 2 155 |
| Current portion of long-term debt |  |  |  | 1 413 |  | — |
| Current portion of long-term lease liabilities |  |  |  | 272 |  | 310 |
| Long-term debt |  |  |  | 13 812 |  | 12 884 |
| Long-term lease liabilities |  |  |  | 2 636 |  | 2 621 |
|  | Total debt |  |  |  | 21 699 |  | 17 970 |
| Less: Cash and cash equivalents |  |  |  | 1 885 |  | 1 960 |
|  | Net debt |  |  |  | 19 814 |  | 16 010 |
| Shareholders' equity |  |  |  | 35 757 |  | 42 042 |
| Total capitalization (total debt plus shareholders' equity) |  |  |  | 57 456 |  | 60 012 |
| Funds from operations(1) |  |  |  | 3 876 |  | 10 818 |
Net debt to funds from operations |  | <3.0 times |  | 5.1 |  | 1.5 |
Total debt to total debt plus shareholders' equity |  | 20% – 35% |  | 37.8% |  | 29.9% |
(1) | 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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