Consolidated Statement of Equity (Deficit) (Parentheticals) (USD $) In Millions, except Share data, unless otherwise specified	8 Months Ended	12 Months Ended				4 Months Ended
	Aug. 31, 2013 Predecessor [Member] Accumulated Other Comprehensive Income (Loss) [Member]	Dec. 31, 2012 Predecessor [Member] Accumulated Other Comprehensive Income (Loss) [Member]	Dec. 31, 2011 Predecessor [Member] Accumulated Other Comprehensive Income (Loss) [Member]	Dec. 31, 2011 Predecessor [Member]		Dec. 31, 2013 Successor [Member] Accumulated Other Comprehensive Income (Loss) [Member]	Dec. 31, 2013 Successor [Member]
Unrealized gains arising from hedging activity, pre-tax		$ 2	$ 5	$ 0			$ 0
Unrealized gains on available-for-sale securities, pre-tax			1	0			0
Reclassification adjustment for hedging related gains included in net earnings, pre-tax		0	14	0			0
Pension and other postretirement liability adjustments, pre-tax	$ 2,066	$ 206	$ 612			$ 101
Issuance of treasury stock (in Dollars per share)				$ 2,326,209.00	[1]		$ 0.01
Unvested stock issuances (in Shares)				154,696
Purchases of treasury stock (in Shares)							152,746	[2]
Preferred stock, par value (in Dollars per share)							$ 0
Preferred stock, authorized (in Shares)							60
Preferred stock, issued (in Shares)							0

[1] Includes stock awards issued, offset by shares surrendered for taxes

[2] Represents purchases of common stock and warrants to satisfy tax withholding obligations in connection with the issuance of stock and warrants to employees under the Plan.