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Notes Payable, Long-Term Debt and Available Credit Facilities (Committed and Available Credit Facilities) (Details) - Successor $ in Millions | Sep. 30, 2017 USD ($)
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Line of Credit Facility [Line Items] |
Line of Credit Facility, Maximum Borrowing Capacity | $ 8,800
Line of Credit Facility, Remaining Borrowing Capacity | 6,445
Revolving Credit Facility [Member] |
Line of Credit Facility [Line Items] |
Line of Credit Facility, Maximum Borrowing Capacity | 3,000
Line of Credit Facility, Remaining Borrowing Capacity | 2,945
Term Loan Facility due 2019 [Member] |
Line of Credit Facility [Line Items] |
Line of Credit Facility, Maximum Borrowing Capacity | 4,500
Line of Credit Facility, Remaining Borrowing Capacity | 3,500
Repurchase Facility [Member] | Securities Sold under Agreements to Repurchase [Member] |
Line of Credit Facility [Line Items] |
Line of Credit Facility, Maximum Borrowing Capacity | 1,300
Line of Credit Facility, Remaining Borrowing Capacity | $ 0

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- 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
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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