XML 49 R44.htm IDEA: XBRL DOCUMENT v3.3.0.814
DEBT (Debt Obligations) (Details) - USD ($)
$ in Millions
9 Months Ended 12 Months Ended
Sep. 30, 2015
Dec. 31, 2014
Debt Instrument [Line Items]    
Total Principal of Debt Obligations $ 7,176.1 $ 6,682.3
Unamortized Discount (6.3) (7.1)
Long-term Debt 7,169.8 6,675.2
Fixed Rate Debt Obligations [Member]    
Debt Instrument [Line Items]    
Approximate fair values of debt obligations $ 4,700.0 $ 5,100.0
Commercial Paper [Member]    
Debt Instrument [Line Items]    
Interest Rate (in percentage) 1.00% [1] 0.50%
Total Principal of Debt Obligations [1] $ 321.1 $ 612.3
Senior Notes [Member] | 5.875% Senior Notes due December 2016 [Member]    
Debt Instrument [Line Items]    
Maturity date Dec. 31, 2016  
Interest Rate (in percentage) 5.875%  
Total Principal of Debt Obligations $ 300.0 300.0
Senior Notes [Member] | 7.000% Senior Notes due October 2018 [Member]    
Debt Instrument [Line Items]    
Maturity date Oct. 31, 2018  
Interest Rate (in percentage) 7.00%  
Total Principal of Debt Obligations $ 100.0 100.0
Senior Notes [Member] | 6.500% Senior Notes due April 2018 [Member]    
Debt Instrument [Line Items]    
Maturity date Apr. 30, 2018  
Interest Rate (in percentage) 6.50%  
Total Principal of Debt Obligations $ 400.0 400.0
Senior Notes [Member] | 9.875% Senior Notes due March 2019 [Member]    
Debt Instrument [Line Items]    
Maturity date Mar. 31, 2019  
Interest Rate (in percentage) 9.875%  
Total Principal of Debt Obligations $ 500.0 500.0
Senior Notes [Member] | 5.200% Senior Notes due March 2020 [Member]    
Debt Instrument [Line Items]    
Maturity date Mar. 31, 2020  
Interest Rate (in percentage) 5.20%  
Total Principal of Debt Obligations $ 500.0 500.0
Senior Notes [Member] | 4.200% Senior Notes due September 2021 [Member]    
Debt Instrument [Line Items]    
Maturity date Sep. 30, 2021  
Interest Rate (in percentage) 4.20%  
Total Principal of Debt Obligations $ 600.0 600.0
Senior Notes [Member] | 7.125% Senior Notes due October 2028 [Member]    
Debt Instrument [Line Items]    
Maturity date Oct. 31, 2028  
Interest Rate (in percentage) 7.125%  
Total Principal of Debt Obligations $ 100.0 100.0
Senior Notes [Member] | 5.950% Senior Notes due June 2033 [Member]    
Debt Instrument [Line Items]    
Maturity date Jun. 30, 2033  
Interest Rate (in percentage) 5.95%  
Total Principal of Debt Obligations $ 200.0 200.0
Senior Notes [Member] | 6.300% Senior Notes due December 2034 [Member]    
Debt Instrument [Line Items]    
Maturity date Dec. 31, 2034  
Interest Rate (in percentage) 6.30%  
Total Principal of Debt Obligations $ 100.0 100.0
Senior Notes [Member] | 7.500% Senior Notes due April 2038 [Member]    
Debt Instrument [Line Items]    
Maturity date Apr. 30, 2038  
Interest Rate (in percentage) 7.50%  
Total Principal of Debt Obligations $ 400.0 400.0
Senior Notes [Member] | 5.500% Senior Notes due September 2040 [Member]    
Debt Instrument [Line Items]    
Maturity date Sep. 30, 2040  
Interest Rate (in percentage) 5.50%  
Total Principal of Debt Obligations $ 550.0 550.0
Senior Notes [Member] | 3.560% Series A Senior Notes due September 2019 [Member] | Midcoast Energy Partners [Member]    
Debt Instrument [Line Items]    
Maturity date Sep. 30, 2019  
Interest Rate (in percentage) 3.56%  
Total Principal of Debt Obligations $ 75.0 75.0
Senior Notes [Member] | 4.040% Series B Senior Notes due September 2021 [Member] | Midcoast Energy Partners [Member]    
Debt Instrument [Line Items]    
Maturity date Sep. 30, 2021  
Interest Rate (in percentage) 4.04%  
Total Principal of Debt Obligations $ 175.0 175.0
Senior Notes [Member] | 4.420% Series C Senior Notes due September 2024 [Member] | Midcoast Energy Partners [Member]    
Debt Instrument [Line Items]    
Maturity date Sep. 30, 2024  
Interest Rate (in percentage) 4.42%  
Total Principal of Debt Obligations $ 150.0 150.0
Credit Agreements [Member]    
Debt Instrument [Line Items]    
Maturity date, start Dec. 31, 2016  
Maturity date, end Dec. 31, 2019  
Interest Rate, minimum (in percentage) 1.30%  
Interest Rate, maximum (in percentage) 3.75%  
Total Principal of Debt Obligations $ 1,885.0 1,160.0
Credit Agreements [Member] | Midcoast Energy Partners [Member]    
Debt Instrument [Line Items]    
Maturity date, start Dec. 31, 2016  
Maturity date, end Dec. 31, 2018  
Interest Rate (in percentage) 2.672%  
Total Principal of Debt Obligations $ 420.0 360.0
Junior Subordinated Notes [Member]    
Debt Instrument [Line Items]    
Maturity date Dec. 31, 2067  
Interest Rate (in percentage) 8.05%  
Total Principal of Debt Obligations $ 400.0 $ 400.0
[1] Individual issuances of commercial paper generally mature in 90 days or less, but are supported by our Credit Facilities and are therefore considered long-term debt.