Consolidated Statements Of Cash Flows (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013
Cash flows from operating activities
Net income	$ 2,298		$ 2,760
Adjustments to reconcile net income to net cash flows from operating activities
Net realized (gains) losses	297		(350)
Amortization of premiums/discounts on fixed maturities	159		207
Deferred income taxes	41		169
Unpaid losses and loss expenses	180		33
Unearned premiums	449		603
Future policy benefits	181		149
Insurance and reinsurance balances payable	181		163
Accounts payable, accrued expenses, and other liabilities	(130)		(176)
Income taxes payable	94		2
Insurance and reinsurance balances receivable	(191)		(657)
Reinsurance recoverable on losses and loss expenses	253		550
Reinsurance recoverable on policy benefits	(6)		6
Deferred policy acquisition costs	(306)		(391)
Prepaid reinsurance premiums	(41)		(69)
Other	(237)		(263)
Net cash flows from operating activities	3,222		2,736
Cash flows from investing activities
Purchases of fixed maturities available for sale	(11,867)		(16,360)
Purchases of to be announced mortgage-backed securities	0		(54)
Purchases of fixed maturities held to maturity	(185)		(374)
Purchases of equity securities	(222)		(217)
Sales of fixed maturities available for sale	6,306		7,982
Sales of to be announced mortgage-backed securities	0		30
Sales of equity securities	322		99
Maturities and redemptions of fixed maturities available for sale	4,814		5,538
Maturities and redemptions of fixed maturities held to maturity	617		1,233
Net change in short-term investments	(984)		525
Net derivative instruments settlements	(170)		(376)
Acquisition of subsidiaries (net of cash acquired of $4 and $38)	(172)		(977)
Other	(147)		(188)
Net cash flows used for investing activities	(1,688)		(3,139)
Cash flows from financing activities
Dividends paid on Common Shares	(646)		(343)
Common Shares repurchased	(1,007)		(233)
Proceeds from issuance of long-term debt	699		947
Proceeds from issuance of short-term debt	1,827		1,721
Repayment of long-term debt	(501)		0
Repayment of short-term debt	(1,827)		(1,720)
Proceeds from share-based compensation plans, including windfall tax benefits	94		112
Other	121		68
Net cash flows (used for) from financing activities	(1,240)		552
Effect of foreign currency rate changes on cash and cash equivalents	(67)		4
Net increase in cash	227		153
Cash – beginning of period	579	[1],[2]	615	[3]
Cash – end of period	806	[2],[4]	768	[3]
Supplemental cash flow information
Taxes paid	250		150
Interest paid	$ 186		$ 169

[1] ACE maintains two notional multicurrency cash pools (Pools) with a third-party bank. Various ACE entities participate in one or the other of the Pools, pursuant to which credit and debit balances in individual ACE accounts are translated daily into a single currency and pooled on a notional basis. Individual ACE entities are permitted to overdraw on their individual accounts provided the overall Pool balances do not fall below zero. At December 31, 2013, the cash balance of one or more entities was negative; however, the overall Pool balances were positive.

[2] ACE maintains two notional multicurrency cash pools (Pools) with a third-party bank. Various ACE entities participate in one or the other of the Pools, pursuant to which credit and debit balances in individual ACE accounts are translated daily into a single currency and pooled on a notional basis. Individual ACE entities are permitted to overdraw on their individual accounts provided the overall Pool balances do not fall below zero. At September 30, 2014 and December 31, 2013, the cash balance of one or more entities was negative; however, the overall Pool balances were positive.

[3] ACE maintains two notional multicurrency cash pools (Pools) with a third-party bank. Various ACE entities participate in one or the other of the Pools, pursuant to which credit and debit balances in individual ACE accounts are translated daily into a single currency and pooled on a notional basis. Individual ACE entities are permitted to overdraw on their individual accounts provided the overall Pool balances do not fall below zero. At September 30, 2013 and December 31, 2012, the cash balance of one or more entities was negative; however, the overall Pool balances were positive.

[4] ACE maintains two notional multicurrency cash pools (Pools) with a third-party bank. Various ACE entities participate in one or the other of the Pools, pursuant to which credit and debit balances in individual ACE accounts are translated daily into a single currency and pooled on a notional basis. Individual ACE entities are permitted to overdraw on their individual accounts provided the overall Pool balances do not fall below zero. At September 30, 2014, the cash balance of one or more entities was negative; however, the overall Pool balances were positive.