Other Commitments And Contingencies (Tables)
 12 Months Ended
Dec. 31, 2015
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Guarantor Obligations
The total guarantees and indemnities in existence at December 31, 2015 and the years in which they expire were:
(in millions)
Total
2016
2017
2018
2019
2020
After
Guarantees of debt
$
2,750.0

$
—

$
—

$
500.0

$
—

$
750.0

$
1,500.0

Letters of credit
18.1

18.1

—

—

—

—

—

Total commercial commitments
$
2,768.1

$
18.1

$
—

$
500.0

$
—

$
750.0

$
1,500.0
Future Minimum Lease Payments Required Under Operating And Capital Leases
(in millions)
Operating
Leases (1)
2016
$
4.5

2017
5.9

2018
5.5

2019
4.8

2020
4.7

After
21.2

Total future minimum payments
$
46.6

(1) Operating lease expense includes amounts for fleet leases and storage well leases that can be renewed beyond the initial lease term, but the anticipated payments associated with the renewals do not meet the definition of expected minimum lease payments and, therefore, are not included above.
Estimated Aggregate Amounts Of Minimum Fixed Payments On Purchase And Service Obligations
(in millions)
Pipeline
Service
Agreements
2016
$
51.5

2017
49.5

2018
42.0

2019
25.4

2020
24.2

After
66.8

Total future minimum payments
$
259.4