Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2017

Long-Term Debt [Abstract]

Long-Term Debt

				Year ended December 31, 2017
($ in millions)	January 1, 2017		Payments and Retirements		New Borrowings		December 31, 2017		Interest Rate at December 31, 2017*
Senior & Subsidiary
Unsecured Debt	$	15,900	$	(1,655)	$	-	$	14,245	9.22%
Senior Secured Debt		2,151		(155)		1,500		3,496	5.24%
Secured Subsidiary Debt		100		-		-		100	8.50%
Secured Debt		19		(3)		-		16	5.56%
Rural Utilities Service Loan Contracts		8		(1)		-		7	6.15%
Total Debt	$	18,178	$	(1,814)	$	1,500	$	17,863	8.44%
Less: Debt Issuance Costs		(209)						(183)
Less: Debt Premium (Discount)		(46)						(54)
Less: Current Portion		(363)						(656)
Total Long-Term Debt	$	17,560					$	16,970

* Interest rate includes amortization of debt issuance costs and debt premiums or discounts.  The interest rates at December 31, 2017 represent a weighted average of multiple issuances.

Schedule Of Debt

	2017			2016
	Principal		Interest	Principal		Interest
($ in millions)	Outstanding		Rate	Outstanding		Rate
Senior Unsecured Debt Due:
4/15/2017	$	-	8.250%	$	210	8.250%
10/1/2018		491	8.125%		583	8.125%
3/15/2019		404	7.125%		434	7.125%
4/15/2020		619	8.500%		1,169	8.500%
9/15/2020		303	8.875%		1,066	8.875%
7/1/2021		490	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		2,188	10.500%		2,188	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%
		13,495			15,150
Senior Secured Debt Due:
10/24/2019(1)		245	5.445% (Variable)		280	4.145% (Variable)
3/31/2021(2)		1,483	4.320% (Variable)		1,564	3.270% (Variable)
10/12/2021(3)		276	5.445% (Variable)		307	4.145% (Variable)
6/15/2024(4)		1,492	5.320% (Variable)		-
		3,496			2,151
Subsidiary Debentures Due:
5/15/2027		200	6.750%		200	6.750%
2/1/2028		300	6.860%		300	6.860%
2/15/2028		200	6.730%		200	6.730%
10/15/2029		50	8.400%		50	8.400%
11/15/2031		100	8.500%		100	8.500%
		850			850
Total	$	17,841	8.1%(5)	$	18,151	8.3% (5)

(1)  Represents borrowings under the 2014 CoBank Credit Agreement, as defined below.

(2)  Represents borrowings under the JPM Credit Agreement Term Loan A, as defined below.

(3)  Represents borrowings under the 2016 CoBank Credit Agreement, as defined below.

(4)  Represents borrowings under the JPM Credit Agreement Term Loan B, as defined below.

(5)  Interest rate represents a weighted average of the stated interest rates of multiple issuances.

Debt Maturities by Year

	Principal
($ in millions)	Payments
2018	$	656
2019	$	804
2020	$	1,132
2021	$	2,558
2022	$	2,703
Thereafter	$	10,010

Schedule Of Future Minimum Lease Obligations

($ in millions)	Finance Lease Obligations		Capital Lease Obligations
Year ending December 31:
2018	$	9	$	41
2019		9		29
2020		10		19
2021		10		12
2022		10		9
Thereafter		52		9
Total future payments		100		119
Less: Amounts representing interest		(55)		(14)
Present value of minimum lease payments	$	45	$	105