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v3.8.0.1

Supplemental Cash Flow Information (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Decrease (increase) in: |  |  |  |
Accounts receivable - trade |  | $ (1,076.2) | $ (679.0) | $ 1,279.3
Accounts receivable - related parties |  | (0.7) | 0.4 | 1.3
Inventories |  | 194.6 | (871.8) | (72.7)
Prepaid and other current assets |  | 226.0 | (49.3) | (59.1)
Other assets |  | (111.0) | (2.0) | (5.8)
Increase (decrease) in: |  |  |  |
Accounts payable - trade |  | 66.6 | (21.5) | (52.9)
Accounts payable - related parties |  | 56.0 | 21.0 | (34.8)
Accrued product payables |  | 952.3 | 1,193.3 | (1,342.4)
Accrued interest |  | 17.3 | (11.4) | 16.5
Other current liabilities |  | (291.4) | 189.9 | (67.1)
Other liabilities |  | (1.3) | 49.5 | 14.4
Net effect of changes in operating accounts |  | 32.2 | (180.9) | (323.3)
Cash payments for interest, net of $192.1, $168.2 and $149.1 capitalized in 2017, 2016 and 2015, respectively |  | 912.1 | 947.9 | 911.6
Capitalized interest | [1] | 192.1 | 168.2 | 149.1
Cash payments for federal and state income taxes |  | 20.9 | 18.7 | 17.5
Liability for construction in progress expenditures |  | 373.0 | 124.3 | 472.8
Sale of Assets: |  |  |  |
Proceeds from asset sales |  | 40.1 | 46.5 | 1,608.6
Net gains (losses) attributable to asset sales |  | 10.7 | 2.5 | (15.6)
Business Acquisition [Line Items] |  |  |  |
Cash paid to acquire business |  | 198.7 | 1,000.0 | 1,056.5
Offshore Business [Member] |  |  |  |
Sale of Assets: |  |  |  |
Proceeds from asset sales |  | 0.0 | 0.0 | 1,527.7
Net gains (losses) attributable to asset sales |  | 0.0 | 0.0 | (12.3)
Other Disposal of Assets [Member] |  |  |  |
Sale of Assets: |  |  |  |
Proceeds from asset sales |  | 40.1 | 46.5 | 80.9
Net gains (losses) attributable to asset sales |  | $ 10.7 | 2.5 | (3.3)
Eagle Ford Midstream Assets [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Total consideration for acquisition |  |  |  | 2,100.0
Cash paid to acquire business |  |  | $ 1,000.0 | $ 1,100.0
[1] | Capitalized interest is a component of "Interest expense" as presented on our Statements of Consolidated Operations.

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