CONSOLIDATED STATEMENTS OF CASH FLOWS $ in Millions	12 Months Ended
	Dec. 31, 2016 USD ($)	Dec. 26, 2015 USD ($)	Dec. 27, 2014 USD ($)
Cash flows from operating activities of continuing operations:
Net income (loss)	$ 529	$ 8	$ (352)
Loss from discontinued operations, net of tax	(150)	(84)	(59)
Net income from continuing operations	679	92	(293)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	181	253	277
Charges for losses on inventories and receivables	78	53	52
Asset impairments	15	13	56
Compensation expense for share-based payments	40	41	35
Loss on extinguishment of debt	15
Deferred income taxes and deferred tax asset valuation allowances	(231)	1	(1)
Loss (gain) on disposition of assets	(9)	(36)	7
Other	3	24	(2)
Changes in assets and liabilities:
Decrease (increase) in receivables	55	55	(20)
Decrease (increase) in inventories	56	(99)	(8)
Net decrease (increase) in prepaid expenses and other assets	(51)	20	23
Net decrease in trade accounts payable, accrued expenses and other current and other long-term liabilities	(339)	(279)	(33)
Total adjustments	(187)	46	386
Net cash provided by operating activities of continuing operations	492	138	93
Cash flows from investing activities of continuing operations:
Capital expenditures	(111)	(144)	(96)
Proceeds from sale of joint ventures, net			43
Proceeds from sale of available for sale securities			43
Acquisition, net of cash acquired		(9)
Proceeds from disposition of assets and other	27	95	5
Net cash used in investing activities of continuing operations	(84)	(58)	(5)
Cash flows from financing activities of continuing operations:
Net proceeds from employee share-based transactions		7	39
Debt retirement	(250)
Debt related fees	(6)	(1)
Cash used in extinguishment of debt	(12)
Cash dividends on common stock	(26)
Proceeds from issuance of borrowings			4
Net payments on long and short-term borrowings	(49)	(32)	(26)
Repurchase of common stock for treasury	(132)
Net cash (used in) provided by financing activities of continuing operations	(475)	(26)	17
Cash flows from discontinued operations:
Operating activities of discontinued operations	(122)	(12)	62
Investing activities of discontinued operations	(70)	(16)	(22)
Financing activities of discontinued operations	5	1	(2)
Net cash used in discontinued operations	(187)	(27)	38
Effect of exchange rate changes on cash and cash equivalents	(8)	(29)	(27)
Net increase (decrease) in cash and cash equivalents	(262)	(2)	116
Cash and cash equivalents at beginning of period	1,069	1,071	955
Cash and cash equivalents at end of period	807	1,069	1,071
Cash and cash equivalents of discontinued operations	(44)	(209)	(247)
Cash and cash equivalents at the end of period - continued operations	763	860	824
Supplemental information on operating, investing, and financing activities
Cash interest paid, net of amounts capitalized and Timber notes/Non-recourse debt	63	67	68
Cash taxes paid (refunded)	48		(20)
Non-cash asset additions under capital leases	$ 9	$ 25	$ 19