XML 41 R89.htm IDEA: XBRL DOCUMENT v2.4.1.9
Note 9 - Commitments and Contingencies (Details) - Asset Retirement Obligation Activity (USD $)
In Millions, unless otherwise specified
4 Months Ended 12 Months Ended 8 Months Ended
Dec. 31, 2013
Dec. 31, 2014
Aug. 31, 2013
Successor [Member]      
Note 9 - Commitments and Contingencies (Details) - Asset Retirement Obligation Activity [Line Items]      
Asset Retirement Obligations at start of period $ 51us-gaap_AssetRetirementObligation
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
$ 52us-gaap_AssetRetirementObligation
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
 
Liabilities incurred in the current period   3us-gaap_AssetRetirementObligationLiabilitiesIncurred
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
 
Liabilities settled in the current period   (1)us-gaap_AssetRetirementObligationLiabilitiesSettled
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
 
Accretion expense 1us-gaap_AssetRetirementObligationAccretionExpense
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
2us-gaap_AssetRetirementObligationAccretionExpense
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
 
Revision in estimated cash flows   (2)us-gaap_AssetRetirementObligationRevisionOfEstimate
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
 
Foreign exchange impact   (1)us-gaap_AssetRetirementObligationForeignCurrencyTranslation
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
 
Asset Retirement Obligations at end of period 52us-gaap_AssetRetirementObligation
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
53us-gaap_AssetRetirementObligation
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
 
Predecessor [Member]      
Note 9 - Commitments and Contingencies (Details) - Asset Retirement Obligation Activity [Line Items]      
Asset Retirement Obligations at start of period     63us-gaap_AssetRetirementObligation
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Liabilities incurred in the current period     1us-gaap_AssetRetirementObligationLiabilitiesIncurred
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Liabilities settled in the current period     (5)us-gaap_AssetRetirementObligationLiabilitiesSettled
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Accretion expense     1us-gaap_AssetRetirementObligationAccretionExpense
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Revision in estimated cash flows     (1)us-gaap_AssetRetirementObligationRevisionOfEstimate
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Foreign exchange impact     (1)us-gaap_AssetRetirementObligationForeignCurrencyTranslation
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Impact of fresh start accounting     (7)us-gaap_FreshStartAdjustmentIncreaseDecreaseNoncurrentOtherObligations
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Asset Retirement Obligations at end of period     $ 51us-gaap_AssetRetirementObligation
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember