Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2018

Commitments and Contingencies [Abstract]

Summary of Contractual Obligations

The following table summarizes our various contractual obligations at December 31, 2018.  A description of each type of contractual obligation follows:

	Payment or Settlement due by Period
Contractual Obligations	Total		2019		2020		2021		2022		2023		Thereafter
Scheduled maturities of debt obligations	$	26,420.6	$	1,500.0	$	1,500.0	$	1,325.0	$	1,400.0	$	1,250.0	$	19,445.6
Estimated cash interest payments	$	25,520.2	$	1,190.4	$	1,132.5	$	1,062.9	$	1,010.1	$	969.9	$	20,154.4
Operating lease obligations	$	324.8	$	50.5	$	45.6	$	38.7	$	30.8	$	20.9	$	138.3
Purchase obligations:
Product purchase commitments:
Estimated payment obligations:
Natural gas	$	1,631.2	$	572.0	$	599.4	$	459.8	$	--	$	--	$	--
NGLs	$	3,437.2	$	760.6	$	739.4	$	620.3	$	527.7	$	310.3	$	478.9
Crude oil	$	4,778.2	$	1,038.6	$	771.3	$	557.1	$	543.1	$	438.1	$	1,430.0
Petrochemicals & refined products	$	399.7	$	179.0	$	178.3	$	42.4	$	--	$	--	$	--
Other	$	27.4	$	8.2	$	8.3	$	4.3	$	2.3	$	2.4	$	1.9
Service payment commitments	$	403.8	$	75.1	$	72.2	$	55.3	$	53.7	$	38.9	$	108.6
Capital expenditure commitments	$	171.8	$	171.8	$	--	$	--	$	--	$	--	$	--

Schedule of Other Liabilities

The following table summarizes the components of “Other long-term liabilities” as presented on our Consolidated Balance Sheets at the dates indicated:

	December 31,
	2018		2017
Noncurrent portion of AROs (see Note 4)	$	121.4	$	81.1
Deferred revenues – non-current portion (see Note 9)		210.3		135.5
Liquidity Option Agreement		390.0		333.9
Derivative liabilities		14.2		10.4
Centennial guarantees		3.6		4.5
Other		12.1		13.0
Total	$	751.6	$	578.4