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Variable Interest Entities Variable Interest Entities (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2012 | Aug. 09, 2013 | Jan. 17, 2012
VIE Financing |  |  |  |  |
Membership interests of VIE subject to mandatory redemption | $ 50 | $ 50 |  | $ 40 |
Total liabilities | 1,362 | 1,393 |  |  | 1,000
Interest expense | 64 | 50 | 34 |  |
SCCG |  |  |  |  |
VIE Financing |  |  |  |  |
Face Amount |  |  |  | 360 |
JSCCG |  |  |  |  |
VIE Financing |  |  |  |  |
Face Amount |  |  |  |  | 900
Holdco |  |  |  |  |
VIE Financing |  |  |  |  |
Face Amount |  |  |  |  | 100
Accrued interest of VIE |  |  |  |  |
VIE Financing |  |  |  |  |
Total liabilities | 12 | 12 |  |  |
Current portion of membership interests of VIE subject to mandatory redemption |  |  |  |  |
VIE Financing |  |  |  |  |
Total liabilities | 2 | 2 |  |  |
Current maturities of long-term debt of VIE |  |  |  |  |
VIE Financing |  |  |  |  |
Total liabilities | 32 | 30 |  |  |
Total current liabilities of VIE |  |  |  |  |
VIE Financing |  |  |  |  |
Total liabilities | 46 | 44 |  |  |
Membership interests of VIE subject to mandatory redemption |  |  |  |  |
VIE Financing |  |  |  |  |
Total liabilities | 37 | 38 |  |  |
Long-term debt of VIE |  |  |  |  |
VIE Financing |  |  |  |  |
Total liabilities | $ 1,279 | $ 1,311 |  |  |

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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400 + Details
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- Definition Interest expense on all other items not previously classified. For example, includes dividends associated with redeemable preferred stock of a subsidiary that is treated as a liability in the parent's consolidated balance sheet. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4D -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624177-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph -4 -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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- Definition Amount that would be paid, determined under the conditions specified in the contract, if the holder of the share has the right to redeem the shares. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6940734&loc=d3e22047-110879 + Details
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- Definition The carrying amount of the consolidated Variable Interest Entity's liabilities included in the reporting entity's statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (bb) -URI http://asc.fasb.org/extlink&oid=28200181&loc=d3e5710-111685 + Details
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