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Supplemental Cash Flow Information | 6 Months Ended
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Jun. 30, 2017
Supplemental Cash Flow Information [Abstract] |
Supplemental Cash Flow Information | Note 15. Supplemental Cash Flow Information The following table presents the net effect of changes in our operating accounts for the periods indicated:
|  | For the Six Months Ended June 30, |
|  | 2017 |  |  | 2016 |
Decrease (increase) in: |  |  |  |  |  |
Accounts receivable – trade |  | $ | 602.7 |  |  | $ | (481.8 | )
Accounts receivable – related parties |  |  | (1.9 | ) |  |  | (0.6 | )
Inventories |  |  | 234.3 |  |  |  | (618.7 | )
Prepaid and other current assets |  |  | 213.7 |  |  |  | (51.3 | )
Other assets |  |  | (64.2 | ) |  |  | 0.5 |
Increase (decrease) in: |  |  |  |  |  |  |  |
Accounts payable – trade |  |  | 46.6 |  |  |  | (7.0 | )
Accounts payable – related parties |  |  | (8.4 | ) |  |  | (5.3 | )
Accrued product payables |  |  | (694.2 | ) |  |  | 790.3 |
Accrued interest |  |  | (0.8 | ) |  |  | (1.2 | )
Other current liabilities |  |  | (252.4 | ) |  |  | 74.6 |
Other liabilities |  |  | 6.7 |  |  |  | 5.9 |
Net effect of changes in operating accounts |  | $ | 82.1 |  |  | $ | (294.6 | )
We incurred liabilities for construction in progress that had not been paid at June 30, 2017 and December 31, 2016 of $338.1 million and $124.3 million, respectively. Such amounts are not included under the caption “Capital expenditures” on the Unaudited Condensed Statements of Consolidated Cash Flows. On certain of our capital projects, third parties are obligated to reimburse us for all or a portion of project expenditures. The majority of such arrangements are associated with projects related to pipeline construction activities and production well tie-ins. These cash receipts are presented as “Contributions in aid of construction costs” within the investing activities section of our Unaudited Condensed Statements of Consolidated Cash Flows.

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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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