CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 344.8	$ 5.1
Restricted cash	65.3	65.2
Accounts receivable - trade, net of allowance for doubtful accounts of $11.5 at December 31, 2018 and $12.1 at December 31, 2017	3,659.1	4,358.4
Accounts receivable - related parties	3.5	1.8
Inventories	1,522.1	1,609.8
Derivative assets	154.4	153.4
Prepaid and other current assets	311.5	312.7
Total current assets	6,060.7	6,506.4
Property, plant and equipment, net	38,737.6	35,620.4
Investments in unconsolidated affiliates	2,615.1	2,659.4
Intangible assets, net of accumulated amortization of $1,735.1 at December 31, 2018 and $1,564.8 at December 31, 2017	3,608.4	3,690.3
Goodwill	5,745.2	5,745.2
Other assets	202.8	196.4
Total assets	56,969.8	54,418.1
Current liabilities:
Current maturities of debt	1,500.1	2,855.0
Accounts payable - trade	1,102.8	801.7
Accounts payable - related parties	140.2	127.3
Accrued product payables	3,475.8	4,566.3
Accrued interest	395.6	358.0
Derivative liabilities	148.2	168.2
Other current liabilities	404.8	418.6
Total current liabilities	7,167.5	9,295.1
Long-term debt	24,678.1	21,713.7
Deferred tax liabilities	80.4	58.5
Other long-term liabilities	751.6	578.4
Commitments and contingencies
Limited partners:
Common units (2,184,869,029 units outstanding at December 31, 2018 and 2,161,089,479 units outstanding at December 31, 2017)	23,802.6	22,718.9
Accumulated other comprehensive income (loss)	50.9	(171.7)
Total partners' equity	23,853.5	22,547.2
Noncontrolling interests	438.7	225.2
Total equity	24,292.2	22,772.4
Total liabilities and equity	$ 56,969.8	$ 54,418.1