UNAUDITED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Investments:
Fixed maturities, at fair value (amortized cost: 2012, $26,150,520; 2011, $25,771,715)	$ 27,426,293	$ 26,190,025
Equity securities, at fair value (cost: 2012, $554,962; 2010, $480,685)	565,927	468,197
Short-term investments, at fair value (amortized cost: 2012, $323,039; 2011, $359,378)	323,705	359,063
Total investments available for sale	28,315,925	27,017,285
Fixed maturities, held to maturity at amortized cost (fair value: 2012, $3,222,900; 2011, $2,895,688)	2,805,796	2,668,978
Investments in affiliates	1,027,122	1,052,729
Other investments	1,215,556	985,262
Total investments	33,364,399	31,724,254
Cash and cash equivalents	3,197,305	3,825,125
Accrued investment income	365,516	331,758
Deferred acquisition costs	720,847	647,113
Ceded unearned premiums	721,465	596,895
Premiums receivable	2,791,807	2,411,611
Reinsurance balances receivable	225,251	220,017
Unpaid losses and loss expenses recoverable	3,319,266	3,654,948
Receivable from investments sold	45,328	59,727
Goodwill and other intangible assets	407,221	407,321
Deferred tax asset	132,931	115,601
Other assets	688,992	670,895
Total assets	45,980,328	44,665,265
Liabilities:
Unpaid losses and loss expenses	20,074,668	20,613,901
Deposit liabilities	1,561,076	1,608,108
Future policy benefit reserves	4,848,734	4,845,394
Unearned premiums	4,081,557	3,555,310
Notes payable and debt	1,673,350	2,275,327
Reinsurance balances payable	508,177	90,552
Payable for investments purchased	281,630	58,494
Deferred tax liability	192,419	91,104
Other liabilities	1,001,298	770,945
Total liabilities	34,222,909	33,909,135
Commitments and Contingencies
Shareholders' Equity:
Ordinary shares, 999,990,000 authorized, par value $0.01; issued and outstanding: (2012, 300,580,557; 2011, 315,645,796)	3,006	3,156
Additional paid in capital	8,630,377	8,938,679
Accumulated other comprehensive income	1,423,448	583,064
Retained earnings (deficit)	354,206	(113,241)
Shareholders' equity attributable to XL Group plc	10,411,037	9,411,658
Non-controlling interest in equity of consolidated subsidiaries	1,346,382	1,344,472
Total shareholders' equity	11,757,419	10,756,130
Total liabilities and shareholders' equity	$ 45,980,328	$ 44,665,265