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Supplementary Information to Consolidated Statements of Cash Flows | 12 Months Ended
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Dec. 31, 2016
Supplemental Cash Flow Elements [Abstract] |
Supplementary Information to Consolidated Statements of Cash Flows | SUPPLEMENTARY INFORMATION TO CONSOLIDATED STATEMENTS OF CASH FLOWS
(in millions) | 2016 |  | 2015 |
Cash paid for: |  |
Interest | $ | 644 |  | $ | 561 |
Income taxes | 62 |  | 109 |
Change in non-cash operating working capital: |  |
Accounts receivable and other current assets | $ | 43 |  | $ | 14 |
Prepaid expenses | (4 | ) | (1 | )
Inventories | 17 |  | 15 |
Regulatory assets - current portion | (58 | ) | 57 |
Accounts payable and other current liabilities | 25 |  | (82 | )
Regulatory liabilities - current portion | (1 | ) | 38 |
| $ | 22 |  | $ | 41 |
Non-cash investing and financing activities: |  |
Common share dividends reinvested | $ | 162 |  | $ | 156 |
Common shares issued on business acquisition (Notes 17 and 27) | 4,684 |  | — |
Additions to utility capital assets and intangible assets included in current and long-term liabilities | 296 |  | 187 |
Commitment to purchase capital lease interest (Note 15) | 48 |  | — |
Transfer of deposit on business acquisition (Note 27) | 38 |  | — |
Contributions in aid of construction included in current assets | 9 |  | 4 |
Exercise of stock options into common shares | 4 |  | 4 |

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- Definition The entire disclosure for supplemental cash flow activities, including cash, noncash, and part noncash transactions, for the period. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4313-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 + Details
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- References No definition available. + Details
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