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CONSOLIDATED STATEMENTS OF CASH FLOWS - CAD CAD in Millions | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Operating activities |  |  |
Earnings/(loss) | CAD 2,309 | CAD (159) | CAD 1,608
Earnings from discontinued operations |  |  | (46)
Depreciation and amortization | 2,240 | 2,024 | 1,577
Deferred income taxes (Note 25) | 43 | 7 | 587
Changes in unrealized (gains)/loss on derivative instruments, net | (509) | 2,373 | (96)
Cash distributions in excess of equity earnings | 171 | 244 | 196
Impairment | 1,620 | 536 | 18
Gains on dispositions (Note 27) | (848) | (94) | (38)
Hedge ineffectiveness | 61 | (20) | 210
Inventory revaluation allowance | 245 | 410 | 174
Unrealized (gains)/loss on intercompany loan | 43 | (131) | (16)
Other | 198 | 69 | 131
Changes in environmental liabilities, net of recoveries | (4) | (43) | (78)
Changes in operating assets and liabilities (Note 29) | (358) | (645) | (1,699)
Cash provided by continuing operations | 5,211 | 4,571 | 2,528
Cash provided by discontinued operations |  |  | 19
Net operating activities | 5,211 | 4,571 | 2,547
Investing activities |  |  |
Additions to property, plant and equipment | (5,128) | (7,273) | (10,524)
Joint venture financing | (1) |  |
Long-term investments | (467) | (622) | (854)
Restricted long-term investments | (46) | (49) |
Additions to intangible assets | (127) | (101) | (208)
Acquisitions | (644) | (106) | (394)
Proceeds from dispositions | 1,379 | 146 | 85
Affiliate loans, net | (118) | 59 | 13
Changes in restricted cash | (40) | 13 | (13)
Cash used in continuing operations | (5,192) | (7,933) | (11,895)
Cash provided by discontinued operations |  |  | 4
Net investing activities | (5,192) | (7,933) | (11,891)
Financing activities |  |  |
Net change in bank indebtedness and short-term borrowings | 14 | (588) | 734
Net change in commercial paper and credit facility draws | (2,297) | 1,507 | 4,212
Southern Lights project financing repayments |  |  | (1,519)
Debenture and term note issues - Southern Lights |  |  | 1,507
Debenture and term note issues | 4,080 | 3,767 | 5,414
Debenture and term note repayments | (1,946) | (1,023) | (1,348)
Contributions from noncontrolling interests | 28 | 615 | 212
Distributions to noncontrolling interests | (720) | (680) | (535)
Contributions from redeemable noncontrolling interests | 591 | 670 | 323
Distributions to redeemable noncontrolling interests | (202) | (114) | (79)
Preference shares issued | 737 |  | 1,365
Common shares issued | 2,260 | 57 | 478
Preference share dividends | (293) | (288) | (245)
Common share dividends | (1,150) | (950) | (749)
Net financing activities | 1,102 | 2,973 | 9,770
Effect of translation of foreign denominated cash and cash equivalents | (19) | 143 | 59
Increase/(decrease) in cash and cash equivalents | 1,102 | (246) | 485
Cash and cash equivalents at beginning of year - continuing operations | 1,015 | 1,261 | 756
Cash and cash equivalents at beginning of year - discontinued operations |  |  | 20
Cash and cash equivalents at end of year | 2,117 | 1,015 | 1,261
Cash and cash equivalents - continuing operations | 2,117 | 1,015 | 1,261
Supplementary cash flow information |  |  |
Income taxes paid | 194 | 80 | 9
Interest paid | CAD 1,820 | CAD 1,835 | CAD 1,435

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- Definition Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3574-108585 + Details
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- Definition Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3574-108585 + Details
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- Definition Amount of cash inflow (outflow) of investing activities, excluding discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3574-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3521-108585 + Details
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- Definition Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3536-108585 + Details
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- Definition Other increase (decrease) not attributable to current expense nor cash payments during an accounting period in estimated obligations recorded for probable future costs attributable to environmental contamination issues. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 + Details
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- Definition Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition Amount of cash outflow in the form of ordinary dividends to preferred shareholders of the parent entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
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- Definition The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights, excluding goodwill. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
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- Definition Amount of cash outflow to a noncontrolling interest. Includes, but not limited to, reduction of noncontrolling interest ownership. Excludes dividends paid to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The cash inflow from the additional capital contribution to the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3255-108585 + Details
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