CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Investments:
Fixed maturities, at fair value (amortized cost: 2016 - $29,587,656; 2015 - $31,517,654)	$ 30,256,602	$ 32,257,589
Equity securities, at fair value (cost: 2016 - $996,610; 2015 - $834,079)	1,037,331	878,919
Short-term investments, at fair value (amortized cost: 2016 - $626,142; 2015 - $618,851)	625,193	617,390
Total investments available for sale	31,919,126	33,753,898
Fixed maturities, at fair value (amortized cost: 2016 - $1,548,178; 2015 - $1,263,609)	1,617,014	1,235,699
Short-term investments, at fair value (amortized cost: 2016 - $9,536; 2015 - $60,176)	9,563	60,330
Total investments trading	1,626,577	1,296,029
Investments in affiliates	2,177,645	1,708,899
Other investments	1,164,564	1,433,057
Total investments	36,887,912	38,191,883
Cash and cash equivalents	3,426,988	3,256,236
Restricted cash	153,504	154,992
Accrued investment income	284,366	312,667
Deferred acquisition costs and value of business acquired	946,721	890,568
Ceded unearned premiums	1,687,864	1,821,793
Premiums receivable	5,522,976	4,712,493
Reinsurance balances receivable	577,479	418,666
Unpaid losses and loss expenses recoverable	5,491,297	5,262,706
Receivable from investments sold	128,411	231,158
Goodwill and other intangible assets	2,203,653	2,210,266
Deferred tax asset	310,542	282,311
Other assets	812,389	937,199
Total assets	58,434,102	58,682,938
Liabilities:
Unpaid losses and loss expenses	25,939,571	25,439,744
Deposit liabilities	1,116,233	1,168,376
Future policy benefit reserves	3,506,047	4,163,500
Funds withheld on GreyCastle life retrocession arrangements (net of future policy benefit reserves recoverable: 2016 - $3,072,615; 2015 - $3,719,131)	998,968	914,629
Unearned premiums	7,293,028	7,043,358
Notes payable and debt	2,647,677	2,644,970
Reinsurance balances payable	2,451,717	2,117,727
Payable for investments purchased	226,009	130,060
Deferred tax liability	77,271	120,651
Other liabilities	1,216,902	1,285,460
Total liabilities	45,473,423	45,028,475
Commitments and Contingencies
Shareholders' Equity:
Common shares, 999,990,000 authorized, par value $0.01; issued and outstanding (2016 - 266,889,127; 2015 - 294,745,045)	2,669	2,947
Additional paid in capital	8,068,503	8,910,167
Accumulated other comprehensive income	715,546	686,616
Retained earnings	2,151,794	2,077,349
Shareholders' equity attributable to XL Group Ltd	10,938,512	11,677,079
Non-controlling interest in equity of consolidated subsidiaries	2,022,167	1,977,384
Total shareholders' equity	12,960,679	13,654,463
Total liabilities and shareholders' equity	$ 58,434,102	$ 58,682,938