Consolidated Statements of Cash Flows (USD $) In Millions	9 Months Ended
Sep. 30, 2011	Sep. 30, 2010
Cash flows from operating activities:
Net income	$ 1,128	$ 493
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Net gain from investment activities	(1,158)	(540)
Purchases of securities	(4,183)	(3,768)
Proceeds from sales of securities	4,150	3,057
Purchases to cover securities sold, not yet purchased	(3,895)	(2,918)
Proceeds from securities sold, not yet purchased	5,263	1,556
Net premiums (paid) received on derivative contracts	(20)	19
Changes in receivables and payables relating to securities transactions	1,149	429
Depreciation and amortization	333	338
Other, net	9	(71)
Changes in cash held at consolidated affiliated partnerships and restricted cash	(560)	1,393
Changes in other operating assets and liabilities	(356)	(148)
Net cash provided by (used in) operating activities	1,860	(160)
Cash flows from investing activities:
Capital expenditures	(359)	(309)
Purchase of investment in precious metals	(150)	0
Acquisitions of businesses, net of cash acquired	(126)	(39)
Other, net	5	(4)
Net cash used in investing activities	(630)	(352)
Cash flows from financing activities:
Capital distributions to non-controlling interests	(2,164)	(555)
Capital contributions by non-controlling interests	250	419
Partnership contributions	0	6
Partnership distributions	(39)	(63)
Distributions to non-controlling interests in subsidiary	(20)	0
Proceeds from issuance of senior unsecured notes	0	1,987
Proceeds from other borrowings	612	107
Repayments of borrowings	(653)	(1,373)
Other, net	0	(11)
Net cash (used in) provided by financing activities	(2,014)	517
Effect of exchange rate changes on cash and cash equivalents	(10)	0
Net (decrease) increase in cash and cash equivalents	(794)	5
Net change in cash of assets held for sale	2	0
Cash and Cash Equivalents, at Carrying Value, beginning of period	2,963	2,256
Cash and Cash Equivalents, at Carrying Value, end of period	2,171	2,261
Supplemental information:
Cash payments for interest, net of amounts capitalized	368	237
Net cash payments for income taxes	53	10
Net unrealized gains on available-for-sale securities	2	1
Redemptions payable to non-controlling interests	0	75
LP unit issuance to purchase majority interests in ARI and Viskase	0	310
LP unit issuance to settle preferred LP unit redemptions	$ 0	$ 138

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