Table of Contents 125 The Company's results of operations and selected balance sheet items by segment are presented in the following tables. Year ended December 31, 2018 Specialty Commercial International Life & Group Corporate & Other (In millions) Eliminations Total Net written premiums $ 2,744 $ 3,060 $ 1,018 $ 524 $ — $ (1 ) $ 7,345 Operating revenues Net earned premiums $ 2,732 $ 3,050 $ 1,001 $ 530 $ — $ (1 ) $ 7,312 Net investment income 439 500 57 801 20 — 1,817 Non-insurance warranty revenue 1,007 — — — — — 1,007 Other revenues 2 28 1 2 19 (2) 50 Total operating revenues 4,180 3,578 1,059 1,333 39 (3 ) 10,186 Claims, benefits and expenses Net incurred claims and benefits 1,526 2,053 699 1,218 51 — 5,547 Policyholders’ dividends 5 20 — — — — 25 Amortization of deferred acquisition costs 599 505 231 — — — 1,335 Non-insurance warranty expense 923 — — — — — 923 Other insurance related expenses 279 505 135 122 (1 ) (1 ) 1,039 Other expenses 46 43 14 7 193 (2) 301 Total claims, benefits and expenses 3,378 3,126 1,079 1,347 243 (3 ) 9,170 Core income (loss) before income tax 802 452 (20) (14) (204) — 1,016 Income tax (expense) benefit on core income (loss) (173 ) (95 ) 1 57 39 — (171 ) Core income (loss)  $ 629 $ 357 $ (19) $ 43 $ (165) $ — 845 Net realized investment gains (losses) (52 ) Income tax (expense) benefit on net realized investment gains (losses) 14 Net realized investment gains (losses), after tax (38 ) Net deferred tax asset remeasurement 6 Net income $ 813 December 31, 2018 (In millions) Reinsurance receivables $ 649 $ 795 $ 250 $ 414 $ 2,347 $ — $ 4,455 Insurance receivables 947 1,277 284 9 (152) — 2,365 Deferred acquisition costs 308 230 95 — — — 633 Goodwill 117 — 29 — — — 146 Deferred non-insurance warranty acquisition expense 2,513 — — — — — 2,513 Insurance reserves Claim and claim adjustment expenses 5,465 8,743 1,750 3,601 2,425 — 21,984 Unearned premiums 2,132 1,454 475 122 — — 4,183 Future policy benefits — — — 10,597 — — 10,597 Deferred non-insurance warranty revenue 3,402 — — — — — 3,402