CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Cash flows from operations:
Net earnings	$ 1,027	$ 506	$ 1,826
Noncash charges (credits) to income:
Depreciation, depletion and amortization	565	479	500
Basis of real estate sold	109	18	17
Deferred income taxes, net	(159)	0	205
Pension and other postretirement benefits	5	42	(152)
Share-based compensation expense (Note 16)	60	31	40
Charges for impairment of assets	37	15	2
Equity (earnings) loss from joint ventures	(18)	105	1
Net gains on disposition of discontinued operations (Note 3)	(789)	0	(972)
Net gains on sale of nonstrategic assets	(73)	(38)	(78)
Foreign exchange transaction (gains) losses (Note 18)	(5)	47	27
Change in, net of acquisition:
Receivables less allowances	(54)	17	29
Receivable for taxes	106	(5)	76
Inventories	61	10	(66)
Real estate and land	0	0	(133)
Prepaid expenses	5	3	17
Accounts payable and accrued liabilities	11	(35)	(98)
Deposits on land positions and other assets	0	0	15
Pension and postretirement contributions / benefit payments	(99)	(83)	(101)
Distributions received from joint ventures	14	15	4
Other	(68)	(52)	(50)
Net cash from operations	735	1,075	1,109
Cash flows from investing activities:
Capital expenditures for property and equipment	(451)	(443)	(354)
Capital expenditures for timberlands reforestation	(59)	(40)	(41)
Acquisition of timberlands	(10)	(36)	0
Proceeds from disposition of discontinued operations (Note 3)	2,486	0	707
Proceeds from sale of nonstrategic assets	104	19	28
Proceeds from contribution of timberlands to related party	440	0	0
Distributions received from joint ventures	46	0	0
Other	3	13	21
Net cash from investing activities	2,559	(487)	361
Cash flows from financing activities:
Cash dividends on common shares	(932)	(619)	(563)
Cash dividends on preference shares	(22)	(44)	(44)
Proceeds from issuance of long-term debt	1,698	0	0
Payments of debt	(2,423)	0	0
Proceeds from exercise of stock options	61	34	119
Repurchase of common stock	(2,003)	(518)	(203)
Net proceeds from issuance of WRECO debt (Note 3)	0	0	887
Deposit of WRECO debt proceeds into escrow (Note 3)	0	0	(887)
Other	(9)	(9)	(34)
Net cash from financing activities	(3,630)	(1,156)	(725)
Net change in cash and cash equivalents	(336)	(568)	745
Cash and cash equivalents from continuing operations at beginning of year	1,011	1,577	822
Cash and cash equivalents from continuing operations at end of year	676	1,011	1,577
Cash and cash equivalents from discontinued operations at beginning of year	1	3	13
Cash and cash equivalents from discontinued operations at end of year	0	1	3
Cash and cash equivalents at beginning of period	1,012	1,580	835
Cash and cash equivalents at end of year	676	1,012	1,580
Cash paid (received) during the year for:
Interest, net of amounts capitalized of $8 in 2016, $7 in 2015 and $13 in 2014	446	347	319
Income taxes	$ 485	$ 14	$ (37)