Consolidated Statements Of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash flows provided from (used by) operating activities:
Net loss	$ (75)	$ (186)
Adjustments to reconcile net loss to net cash provided from (used by) operating activities:
Depreciation and amortization	579	316
Pension settlement costs	43
Pension/OPEB costs	16	16
Stock based compensation expense	3	8
Amortization of deferred financing costs	9	21
Deferred income taxes	(41)	(119)
Change in accounts receivable	105	26
Change in accounts payable and other liabilities	(328)	(134)
Change in prepaid expenses, income taxes and other current assets	(11)
Net cash provided from (used by) operating activities	300	(52)
Cash flows provided from (used by) investing activities:
Capital expenditures - Business operations	(315)	(207)
Capital expenditures - Integration activities	(1)	(52)
Proceeds on sale of assets	70
Other	3
Net cash used by investing activities	(243)	(259)
Cash flows provided from (used by) financing activities:
Long-term debt payments	(38)	(24)
Financing costs paid	(6)	(6)
Dividends paid on common stock	(124)	(123)
Dividends paid on preferred stock	(54)	(54)
Capital Lease Obligation Payments	(10)
Taxes paid on behalf of employees for shares withheld	(5)	(10)
Other	(1)
Net cash provided from financing activities	(238)	(217)
Decrease in cash, cash equivalents, and restricted cash	(181)	(528)
Cash, cash equivalents, and restricted cash at January 1,	522	9,380
Cash, cash equivalents, and restricted cash at March 31,	341	8,852
Cash paid (received) during the period for:
Interest	577	524
Income taxes (refunds), net	$ (3)	$ (32)