UNAUDITED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Investments:
Fixed maturities, at fair value (amortized cost: 2013: $26,016,208; 2012: $26,544,806)	$ 26,455,103	$ 27,846,920
Equity securities, at fair value (cost: 2013: $873,465; 2012: $617,486)	916,008	649,359
Short-term investments, at fair value (amortized cost: 2013: $234,775; 2012: $322,563)	234,452	322,703
Total investments available for sale	27,605,563	28,818,982
Fixed maturities, held to maturity at amortized cost (fair value: 2013: $2,978,981; 2012:$3,262,804)	2,686,994	2,814,447
Investments in affiliates	1,367,581	1,126,875
Other investments	1,135,794	1,219,879
Total investments	32,795,932	33,980,183
Cash and cash equivalents	2,420,082	2,618,378
Accrued investment income	324,735	342,778
Deferred acquisition costs	737,804	675,653
Ceded unearned premiums	802,084	587,074
Premiums receivable	3,309,550	2,568,862
Reinsurance balances receivable	105,936	58,428
Unpaid losses and loss expenses recoverable	3,250,248	3,382,102
Receivable from investments sold	107,260	16,002
Goodwill and other intangible assets	407,379	408,527
Deferred tax asset	246,731	166,143
Other assets	597,396	582,765
Total assets	45,105,137	45,386,895
Liabilities:
Unpaid losses and loss expenses	19,990,710	20,484,121
Deposit liabilities	1,534,896	1,551,398
Future policy benefit reserves	4,584,029	4,812,046
Unearned premiums	4,472,108	3,755,086
Notes payable and debt	1,671,634	1,672,778
Reinsurance balances payable	614,012	143,112
Payable for investments purchased	122,568	102,113
Deferred tax liability	120,686	141,803
Other liabilities	757,424	868,036
Total liabilities	33,868,067	33,530,493
Commitments and Contingencies
Shareholders' Equity:
Ordinary shares, 999,990,000 authorized, par value $0.01; issued and outstanding: (2013: 287,447,771; 2012: 298,681,573)	2,874	2,987
Additional paid in capital	8,250,564	8,584,752
Accumulated other comprehensive income	710,760	1,520,020
Retained earnings (deficit)	928,372	402,318
Shareholders' equity attributable to XL Group plc	9,892,570	10,510,077
Non-controlling interest in equity of consolidated subsidiaries	1,344,500	1,346,325
Total shareholders' equity	11,237,070	11,856,402
Total liabilities and shareholders' equity	$ 45,105,137	$ 45,386,895