XML 47 R40.htm IDEA: XBRL DOCUMENT
v3.25.3

Supplementary Information for Certain Balance Sheet Accounts (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule of Prepaid and Other Current Assets | Prepaid and other current assets consist of the following:
|  | September 30, 2025 |  |  | December 31, 2024 |
Prepayments and accrued income |  | $ | 126 |  |  | $ | 123 |
Deferred contract costs |  |  | 87 |  |  |  | 85 |
Derivatives and investments |  |  | 6 |  |  |  | 1 |
Deferred compensation plan assets |  |  | 34 |  |  |  | 18 |
Corporate income and other taxes |  |  | 210 |  |  |  | 106 |
Earnout receivable |  |  | — |  |  |  | 750 |
Short-term note receivable |  |  | — |  |  |  | 74 |
Held-to-maturity securities |  |  | 5 |  |  |  | — |
Available-for-sale securities |  |  | 25 |  |  |  | — |
Other current assets |  |  | 77 |  |  |  | 60 |
Total prepaid and other current assets |  | $ | 570 |  |  | $ | 1,217 |
Schedule of Other Non-current Assets | Other non-current assets consist of the following:
|  | September 30, 2025 |  |  | December 31, 2024 |
Prepayments and accrued income |  | $ | 19 |  |  | $ | 17 |
Deferred contract costs |  |  | 163 |  |  |  | 155 |
Deferred compensation plan assets |  |  | 118 |  |  |  | 111 |
Deferred tax assets |  |  | 234 |  |  |  | 238 |
Accounts receivable, net |  |  | 37 |  |  |  | 18 |
Investment in associates |  |  | 100 |  |  |  | 84 |
Other investments |  |  | 87 |  |  |  | 73 |
Held-to-maturity securities |  |  | 45 |  |  |  | — |
Insurance recovery receivables |  |  | 84 |  |  |  | 76 |
Other non-current assets |  |  | 55 |  |  |  | 34 |
Total other non-current assets |  | $ | 942 |  |  | $ | 806 |
Deferred Revenue and Accrued Expenses | Deferred revenue and accrued expenses consist of the following:
|  | September 30, 2025 |  |  | December 31, 2024 |
Accounts payable, accrued liabilities and deferred revenue |  | $ | 962 |  |  | $ | 1,053 |
Accrued discretionary and incentive compensation |  |  | 588 |  |  |  | 835 |
Accrued vacation |  |  | 202 |  |  |  | 154 |
Accrued 401(k) contributions |  |  | 43 |  |  |  | 63 |
Other employee-related liabilities |  |  | 73 |  |  |  | 106 |
Total deferred revenue and accrued expenses |  | $ | 1,868 |  |  | $ | 2,211 |
Provisions for Liabilities | Provision for liabilities consists of the following:
|  | September 30, 2025 |  |  | December 31, 2024 |
Claims, lawsuits and other proceedings |  | $ | 307 |  |  | $ | 284 |
Other provisions |  |  | 62 |  |  |  | 57 |
Total provision for liabilities |  | $ | 369 |  |  | $ | 341 |
Schedule of Other Non-current Liabilities | Other non-current liabilities consist of the following:
|  | September 30, 2025 |  |  | December 31, 2024 |
Deferred and long-term compensation plan liabilities |  | $ | 100 |  |  | $ | 98 |
Contingent and deferred consideration on acquisitions |  |  | 11 |  |  |  | 8 |
Liabilities for uncertain tax positions |  |  | 42 |  |  |  | 75 |
Deferred tax liabilities |  |  | 38 |  |  |  | 45 |
Finance leases |  |  | — |  |  |  | 2 |
Other non-current liabilities |  |  | 64 |  |  |  | 71 |
Total other non-current liabilities |  | $ | 255 |  |  | $ | 299 |

X
- References No definition available. + Details
Name: | us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of other noncurrent liabilities. + References No definition available. + Details
Name: | us-gaap_OtherNoncurrentLiabilitiesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the (a) carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business (accounts payable); (b) other payables; and (c) accrued liabilities. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). An alternative caption includes accrued expenses. + References No definition available. + Details
Name: | us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of noncurrent assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(17)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_ScheduleOfOtherAssetsNoncurrentTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the carrying amounts of other current assets. + References No definition available. + Details
Name: | us-gaap_ScheduleOfOtherCurrentAssetsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Provisions for liabilities. + References No definition available. + Details
Name: | wtw_ProvisionsForLiabilitiesTableTextBlock
Namespace Prefix: | wtw_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration