Debt and Credit Agreements (Tables)

12 Months Ended

Dec. 25, 2015

Debt Disclosure [Abstract]

Schedule of long-term debt instruments

Debt at December 2015 and December 2014 is shown in the table below. For information regarding the fair value of debt, see Note 13, Fair Value Measurements.

	Maturity at December	Average Interest Rates at December	December			December
(Dollars in Millions)	2015	2015	2015			2014
Notes	2017-2054	5.2%	$	10,445		$	9,456
Equipment Obligations(a)	2016-2023	6.3%	250			277
Capital Leases	2016-2026	15.0%	7			8
Convertible Debentures	2021	1.0%	1			1
Subtotal Long-term Debt (including current portion)			$	10,703		$	9,742
Less Debt Due within One Year			(20		)	(228		)
Long-term Debt (excluding current portion)			$	10,683		$	9,514

(a) These obligations are secured by an interest in certain railroad equipment.

Schedule of long-term debt maturities

Long-term Debt Maturities

(Dollars in Millions)	Maturities as of
Fiscal Years Ending	December 2015
2016	$	20
2017	632
2018	619
2019	518
2020	745
Thereafter	8,169
Total Long-term Debt Maturities (including current portion)	$	10,703