Long-Term Debt (Tables)

3 Months Ended

Mar. 31, 2016

Long-Term Debt [Abstract]

Long-Term Debt

			Three months ended
			March 31, 2016						Interest
									Rate at
	January 1,		Payments		New		March 31,		March 31,
($ in millions)	2016		and Retirements		Borrowings		2016		2016 *
Senior Unsecured Debt	$	16,055	$	(23)	$	-	$	16,032	9.04%
Secured Debt		23		(1)		-		22	3.94%
Rural Utilities Service Loan Contracts		8		-		-		8	6.15%
Total Long-Term Debt	$	16,086	$	(24)	$	-	$	16,062	9.04%
Less: Debt Issuance Costs		(196)						(198)
Less: Debt Premium		2						2
Less: Current Portion		(384)						(370)
	$	15,508					$	15,496

* Interest rate includes amortization of debt issuance costs and debt premiums or discounts. The interest rates at March 31, 2016 represent a weighted average of multiple issuances

Senior Unsecured Debt

	March 31, 2016			December 31, 2015
	Principal		Interest	Principal		Interest
($ in millions)	Outstanding		Rate	Outstanding		Rate
Senior Unsecured Debt Due:
10/14/2016 *	$	330	3.815% (Variable)		344	2.805% (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 **		306	3.815% (Variable)		315	3.805% (Variable)
4/15/2020		1,022	8.500%		1,022	8.500%
9/15/2020		1,000	8.875%		1,000	8.875%
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%
9/15/2022		2,000	10.500%		2,000	10.500%
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%
9/15/2025		3,600	11.000%		3,600	11.000%
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%
		15,782			15,805
Subsidiary Debentures Due:
2/15/2028		200	6.730%		200	6.730%
10/15/2029		50	8.400%		50	8.400%
Total	$	16,032	8.77% ***	$	16,055	8.74% ***

*      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
2016 (remaining nine months)	$	360
2017	$	646
2018	$	620
2019	$	645
2020	$	2,022
2021	$	1,276
Thereafter	$	10,493