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Comprehensive Income - Change in Accumulated Other Comprehensive Income by Component (Detail) $ in Millions | 3 Months Ended
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Dec. 31, 2016 USD ($)
AOCI Attributable to Parent, Net of Tax [Roll Forward] |
Beginning balance | $ 128,249
Other comprehensive income/(loss) before reclassifications | (1,552)
Amounts reclassified from AOCI | 548
Tax effect | 615
Other comprehensive income/(loss) | (389)
Ending balance | 132,390
Cumulative Foreign Currency Translation |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |
Beginning balance | (578)
Other comprehensive income/(loss) before reclassifications | (451)
Amounts reclassified from AOCI | 0
Tax effect | 76
Other comprehensive income/(loss) | (375)
Ending balance | (953)
Unrealized Gains/Losses on Derivative Instruments |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |
Beginning balance | 38
Other comprehensive income/(loss) before reclassifications | 1,696
Amounts reclassified from AOCI | 517
Tax effect | (439)
Other comprehensive income/(loss) | 1,774
Ending balance | 1,812
Unrealized Gains/Losses on Marketable Securities |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |
Beginning balance | 1,174
Other comprehensive income/(loss) before reclassifications | (2,797)
Amounts reclassified from AOCI | 31
Tax effect | 978
Other comprehensive income/(loss) | (1,788)
Ending balance | (614)
AOCI Attributable to Parent |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |
Beginning balance | 634
Ending balance | $ 245

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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount before tax and reclassification adjustments of other comprehensive income (loss) attributable to parent. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=66004124&loc=SL7669686-108580 + Details
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- Definition Amount after tax of other comprehensive income (loss) attributable to parent entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=64809438&loc=SL4573702-111684 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=68079674&loc=SL4569616-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=68079674&loc=SL4569643-111683 + Details
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