XML 95 R74.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Liabilities Subject to Compromise (Details) - USD ($) $ in Millions | Apr. 01, 2017 | Dec. 31, 2016
--- | --- | ---
Fresh-Start Adjustment [Line Items] |  |  |
Debt | [1] | $ 8,077.4 | $ 8,080.3
Interest payable |  | 172.6 | 172.6
Environmental liabilities |  | 61.9 | 61.9
Trade payables |  | 55.2 | 58.4
Postretirement benefit obligations | [2] | 23.0 | 34.6
Other accrued liabilities |  | 26.6 | 32.4
Liabilities subject to compromise |  | 8,416.7 | 8,440.2
First Lien, Second Lien And Unsecured Debt |  |  |
Fresh-Start Adjustment [Line Items] |  |  |
Debt |  | 7,768.3 | 7,771.2
Prepetition Letters Of Credit | Derivative Contract Termination |  |  |
Fresh-Start Adjustment [Line Items] |  |  |
Debt |  | $ 257.3 |
Prepetition Letters Of Credit | Secured Debt |  |  |
Fresh-Start Adjustment [Line Items] |  |  |
Debt |  |  | $ 51.8
[1] | Includes $7,768.3 million and $7,771.2 million of first lien, second lien and unsecured debt at April 1, 2017 and December 31, 2016, respectively, and $257.3 million of derivative contract terminations, and $51.8 million of liabilities secured by prepetition letters of credit at April 1, 2017 and December 31, 2016.
[2] | Includes liabilities for unfunded non-qualified pension plans, all the participants of which are former employees.

X
- Definition Liabilities Subject to Compromise, Accounts Payable + References No definition available. + Details
Name: | btu_LiabilitiesSubjecttoCompromiseAccountsPayable
Namespace Prefix: | btu_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Liabilities Subject to Compromise, Accrued Interest + References No definition available. + Details
Name: | btu_LiabilitiesSubjecttoCompromiseAccruedInterest
Namespace Prefix: | btu_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Liabilities Subject to Compromise, Debt + References No definition available. + Details
Name: | btu_LiabilitiesSubjecttoCompromiseDebt
Namespace Prefix: | btu_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Liabilities Subject to Compromise, Other Accrued Liabilities + References No definition available. + Details
Name: | btu_LiabilitiesSubjecttoCompromiseOtherAccruedLiabilities
Namespace Prefix: | btu_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FreshStartAdjustmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Total amount of liabilities subject to compromise. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 55 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84165509&loc=d3e56145-112766 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=64805424&loc=d3e55717-112764 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6918054&loc=d3e56015-112765 + Details
Name: | us-gaap_LiabilitiesSubjectToCompromise
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of environmental remediation liabilities included in liabilities subject to compromise. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=64805424&loc=d3e55717-112764 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6918054&loc=d3e56015-112765 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 55 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84165509&loc=d3e56145-112766 + Details
Name: | us-gaap_LiabilitiesSubjectToCompromiseEnvironmentalContingencies
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount classified as pension and other postretirement obligations included in liability subject to compromise. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=64805424&loc=d3e55717-112764 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6918054&loc=d3e56015-112765 + Details
Name: | us-gaap_LiabilitiesSubjectToCompromisePensionAndOtherPostretirementObligations
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=btu_FirstLienSecondLienAndUnsecuredDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=btu_PrepetitionLettersOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=btu_DerivativeContractTerminationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_SecuredDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |