|Years Ended December 31, (dollars in millions, except per share data)||2017||2016||2015|
|Net income (loss) attributable to AIG||(6,084)||(849)||2,196|
income attributable to AIG2
|Net income (loss) per common share
attributable to AIG (diluted)
|Adjusted after-tax income per common
share attributable to AIG (diluted)2
|Balance sheet (year-end):|
|Total AIG shareholders’ equity||65,171||76,300||89,658|
|Book value per common share||72.49||76.66||75.10|
|Adjusted book value per common share3||54.74||58.57||58.94|
|Return on equity (ROE)||(8.4)%||(1.0)%||2.2%|
|Core Adjusted ROE5||3.2%||0.8%||3.8%|
|Net premiums written||25,438||28,393||32,199|
|Adjusted pre-tax income (loss)6||(813)||(2,051)||628|
|Accident year combined ratio, as adjusted8||97.1||96.0||97.0|
|Life and Retirement:|
|Premiums and deposits9||27,458||29,304||30,398|
|Adjusted pre-tax income6||3,831||3,428||3,124|
1 The non-GAAP financial measures presented herein may not be comparable to similarly-named measures reported by other companies. The reconciliations of such measures to the most comparable GAAP measures in accordance with Regulation G are included within this Annual Report, AIG’s Annual Report on Form 10-K for the fiscal year ended December 31, 2017 (included herein) or in the Fourth Quarter 2017 Financial Supplement available in the Investor Information section of AIG’s website, www.aig.com.
2 Adjusted after-tax income attributable to AIG and Adjusted after-tax income per common share attributable to AIG (diluted) are reconciled on pages 64 and 65 of the Annual Report on Form 10-K (included herein).
3 Adjusted book value per common share is reconciled on page 35 of the Annual Report on Form 10-K (included herein).
4 Return on equity – adjusted after-tax income excluding AOCI and DTA is reconciled on page 35 of the Annual Report on Form 10-K (included herein).
5 Adjusted ROE for Core and Life and Retirement are defined and reconciled on pages 335 and 337 of this Annual Report. Life and Retirement Adjusted ROE is only available for fiscal years 2016 and 2017, and not prior.
6 Adjusted pre-tax income is a GAAP measure for General Insurance and Life and Retirement, and is defined on page 39 of the Annual Report on Form 10-K (included herein).
7 Consistent with our definition of adjusted pre-tax income, excludes loss reserve discount and the portion of favorable or unfavorable prior year reserve development for which we have ceded the risk under retroactive reinsurance agreements and related changes in amortization of the deferred gain.
8 Accident year combined ratio, as adjusted, is reconciled on page 72 in the Annual Report on Form 10-K (included herein).
9 Premiums and deposits is defined and reconciled on pages 335 and 337 of this Annual Report.