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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified | 6 Months Ended
--- | ---
Mar. 31, 2014 | Mar. 31, 2013
Operating Activities |  |
Net income | $ 3,005 | $ 2,563
Adjustments to reconcile net income to net cash provided by (used in) operating activities: |  |
Amortization of client incentives | 1,186 | 1,120
Share-based compensation | 89 | 98
Excess tax benefit for share-based compensation | (68) | (56)
Depreciation and amortization of property, equipment, technology and intangible assets | 214 | 190
Deferred income taxes | (375) | 1,580
Other | 12 | 35
Change in operating assets and liabilities: |  |
Income tax receivable | 109 | (984)
Settlement receivable | 47 | (34)
Accounts receivable | (71) | (79)
Client incentives | (1,251) | (1,108)
Other assets | (459) | (327)
Accounts payable | (68) | (15)
Settlement payable | (126) | 3
Accrued and other liabilities | 171 | 218
Accrued litigation (Note 12) | 1,055 | (4,384)
Net cash provided by (used in) operating activities | 3,470 | (1,180)
Investing Activities |  |
Purchases of property, equipment, technology and intangible assets | (217) | (211)
Investment securities, available-for-sale: |  |
Purchases | (1,292) | (1,854)
Proceeds from sales and maturities | 1,406 | 1,616
Purchases of / contributions to other investments | (3) | (3)
Proceeds / distributions from other investments |  | 3
Net cash used in investing activities | (106) | (449)
Financing Activities |  |
Repurchase of class A common stock (Note 8) | (2,210) | (3,073)
Dividends paid (Note 8) | (507) | (437)
(Return to) payments from litigation escrow account—retrospective responsibility plan (Note 2 and Note 12) | 1,056 | (4,383)
Cash proceeds from exercise of stock options | 58 | 84
Restricted stock and performance shares settled in cash for taxes | (83) | (64)
Excess tax benefit for share-based compensation | 68 | 56
Payment for earn-out related to PlaySpan acquisition |  | (12)
Principal payments on capital lease obligations |  | (5)
Net cash (used in) provided by financing activities | (3,730) | 932
Decrease in cash and cash equivalents | (366) | (697)
Cash and cash equivalents at beginning of year | 2,186 | 2,074
Cash and cash equivalents at end of period | 1,820 | 1,377
Supplemental Disclosure |  |
Income taxes paid, net of refunds | 1,392 | 421
Non-cash accruals related to purchases of property, equipment, technology and intangible assets | $ 27 | $ 41

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- Definition The cash inflow associated with the sale and maturity (principal being due) of other investments, prepayment and call (request of early payment) of other investments not otherwise defined in the taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
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- Definition The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=31814832&loc=SL4591552-111686 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=7656940&loc=SL4569616-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=18733093&loc=SL4573702-111684 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=31814832&loc=SL4591551-111686 + Details
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- Definition The cash outflow for the obligation for a lease meeting the criteria for capitalization (with maturities exceeding one year or beyond the operating cycle of the entity, if longer). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition The net change in client incentives due to amortization or adjustments recognized on the consolidated statements of operations. + References No definition available. + Details
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- Definition Litigation payments made during the period. + References No definition available. + Details
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- Definition The net change during the reporting period in settlement payable. + References No definition available. + Details
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- Definition The net change in volume and support incentives for net payments made during the period. + References No definition available. + Details
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