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Reportable Segments
 9 Months Ended
Sep. 30, 2024
Segment Reporting [Abstract]  
Reportable Segments
Note 4Reportable Segments
Measuring segment profit or loss
The measure of segment profit or loss used in evaluating performance is underwriting income for the Allstate Protection and Run-off Property-Liability segments and adjusted net income for the Protection Services, Allstate Health and Benefits and Corporate and Other segments.
Allstate Protection and Run-off Property-Liability segments comprise Property-Liability. The Company does not allocate investment income, net gains and losses on investments and derivatives, or assets to the Allstate Protection and Run-off Property-Liability segments. Management reviews assets at the Property-Liability, Protection Services, Allstate Health and Benefits, and Corporate and Other levels for decision-making purposes.
Underwriting income is calculated as premiums earned and other revenue, less claims and claims expenses, amortization of deferred policy acquisition costs (“DAC”), operating costs and expenses, amortization or impairment of purchased intangibles and restructuring and related charges as determined using GAAP.
Adjusted net income is net income (loss) applicable to common shareholders, excluding:
•Net gains and losses on investments and derivatives
•Pension and other postretirement remeasurement gains and losses
•Amortization or impairment of purchased intangibles
•Gain or loss on disposition
•Adjustments for other significant non-recurring, infrequent or unusual items, when (a) the nature of the charge or gain is such that it is reasonably unlikely to recur within two years, or (b) there has been no similar charge or gain within the prior two years
•Income tax expense or benefit on reconciling items
A reconciliation of these measures to net income (loss) applicable to common shareholders is provided below.
Reportable segments financial performance
Three months ended September 30,Nine months ended September 30,
($ in millions)2024202320242023
Underwriting income (loss) by segment
Allstate Protection$555 $(331)$1,316 $(3,421)
Run-off Property-Liability
(60)(83)(68)(88)
Total Property-Liability 495 (414)1,248 (3,509)
Adjusted net income (loss) by segment, after-tax
Protection Services58 27 167 102 
Allstate Health and Benefits
37 69 151 182 
Corporate and Other(110)(110)(320)(310)
Reconciling items
Allstate Protection and Run-off Property-Liability net investment income
708 627 2,053 1,680 
Net gains (losses) on investments and derivatives243 (86)(24)(223)
Pension and other postretirement remeasurement gains (losses)(26)(149)(15)(56)
Amortization of purchased intangibles (1)
(19)(23)(56)(71)
Gain (loss) on disposition 1 (5)6 (4)
Non-recurring costs (2)
— — — (90)
Income tax (expense) benefit on Property-Liability and reconciling items (3)
(251)25 (588)501 
Total reconciling items656 389 1,376 1,737 
Less: Net (loss) income attributable to noncontrolling interest (4)
(25)2 (29)(22)
Net income (loss) applicable to common shareholders$1,161 $(41)$2,651 $(1,776)
(1)Excludes amortization of purchased intangibles in Allstate Protection, which is already included above in underwriting income.
(2)Relates to settlement costs for non-recurring litigation that is outside of the ordinary course of business.
(3)The tax computation of the reporting segments and income tax benefit (expense) on reconciling items to net income (loss) are computed discretely based on the tax law of the jurisdictions applicable to the reporting entities.
(4)Reflects net (loss) income attributable to noncontrolling interest in Property-Liability.
Reportable segments revenue information
($ in millions)Three months ended September 30,Nine months ended September 30,
2024202320242023
Property-Liability    
Insurance premiums    
Auto$9,270 $8,345 $27,127 $24,374 
Homeowners3,403 2,969 9,812 8,662 
Other personal lines718 608 2,078 1,757 
Commercial lines151 194 478 628 
Other business lines152 154 438 405 
Allstate Protection13,694 12,270 39,933 35,826 
Run-off Property-Liability
— — — — 
Total Property-Liability insurance premiums13,694 12,270 39,933 35,826 
Other revenue531 393 1,402 1,135 
Net investment income708 627 2,053 1,680 
Net gains (losses) on investments and derivatives222 (62)(43)(185)
Total Property-Liability15,155 13,228 43,345 38,456 
Protection Services  
Protection plans480 392 1,372 1,126 
Roadside assistance34 51 115 148 
Protection and insurance products
125 126 377 382 
Intersegment premiums and service fees (1)
49 34 123 102 
Other revenue110 75 293 243 
Net investment income24 19 68 53 
Net gains (losses) on investments and derivatives10 (8)4 (13)
Total Protection Services832 689 2,352 2,041 
Allstate Health and Benefits
Employer voluntary benefits248 253 742 753 
Group health120 111 358 328 
Individual health119 99 339 298 
Other revenue123 104 378 306 
Net investment income26 20 74 60 
Net gains (losses) on investments and derivatives(6)(2)(4)1 
Total Allstate Health and Benefits
630 585 1,887 1,746 
Corporate and Other    
Other revenue17 20 56 66 
Net investment income25 23 64 81 
Net gains (losses) on investments and derivatives17 (14)19 (26)
Total Corporate and Other59 29 139 121 
Intersegment eliminations (1)
(49)(34)(123)(102)
Consolidated revenues$16,627 $14,497 $47,600 $42,262 
(1)Intersegment insurance premiums and service fees are primarily related to Arity and Allstate Roadside and are eliminated in the condensed consolidated financial statements.