Long-Term Debt (Tables)

6 Months Ended

Jun. 30, 2015

Long-Term Debt [Abstract]

Long-Term Debt

			Six months ended
			June 30, 2015						Interest
									Rate at
	December 31,		Payments		New		June 30,		June 30,
($ in millions)	2014		and Retirements		Borrowings		2015		2015 *
Senior Unsecured Debt	$	9,750	$	(248)	$	-	$	9,502	7.69%
Other Secured Debt		23		(2)		3		24	3.50%
Rural Utilities Service Loan Contracts		8		-		-		8	6.15%
Total Long-Term Debt	$	9,781	$	(250)	$	3	$	9,534	7.68%
Less: Debt (Discount)/Premium		3						3
Less: Current Portion		(298)						(97)
	$	9,486					$	9,440

* Interest rate includes amortization of debt issuance costs and debt premiums or discounts. The interest rates at June 30, 2015 represent a weighted average of multiple issuances

Senior Unsecured Debt

($ in millions)	June 30, 2015			December 31, 2014
	Principal		Interest	Principal		Interest
	Outstanding		Rate	Outstanding		Rate
Senior Notes and Debentures Due:
3/15/2015		-	-		105	6.625%
4/15/2015		-	-		97	7.875%
10/14/2016 *		374	4.065% (Variable)		402	3.045% (Variable)
4/15/2017		607	8.250%		607	8.250%
10/1/2018		583	8.125%		583	8.125%
3/15/2019		434	7.125%		434	7.125%
10/24/2019 **		332	4.065% (Variable)		350	3.545% (Variable)
4/15/2020		1,022	8.500%		1,022	8.500%
7/1/2021		500	9.250%		500	9.250%
9/15/2021		775	6.250%		775	6.250%
4/15/2022		500	8.750%		500	8.750%
1/15/2023		850	7.125%		850	7.125%
4/15/2024		750	7.625%		750	7.625%
1/15/2025		775	6.875%		775	6.875%
11/1/2025		138	7.000%		138	7.000%
8/15/2026		2	6.800%		2	6.800%
1/15/2027		346	7.875%		346	7.875%
8/15/2031		945	9.000%		945	9.000%
10/1/2034		1	7.680%		1	7.680%
7/1/2035		125	7.450%		125	7.450%
10/1/2046		193	7.050%		193	7.050%
		9,252			9,500
Subsidiary Debentures Due:
2/15/2028		200	6.730%		200	6.730%
10/15/2029		50	8.400%		50	8.400%
Total	$	9,502	7.50% ***	$	9,750	7.45% ***

*      Represents borrowings under the 2011 CoBank Credit Agreement, as defined below.

**    Represents borrowings under the 2014 CoBank Credit Agreement, as defined below.

***  Interest rate represents a weighted average of the stated interest rates of multiple issuances.

Debt Maturities by Year

	Principal
($ in millions)	Payments
2015 (remaining six months)	$	48
2016	$	384
2017	$	646
2018	$	620
2019	$	645
2020	$	1,022
Thereafter	$	6,169