Divestitures (Tables)

3 Months Ended

Mar. 31, 2022

Business Combinations [Abstract]

Schedule of Selected Financial Information

The following selected financial information relates to the operations of Willis Re for the periods presented:

	Three Months Ended  March 31,
	2022			2021
Revenue from discontinued operations	$	28		$	362
Costs of providing services
Salaries and benefits		6			104
Other operating expenses		—			17
Total costs of providing services		6			121
Other income, net		—			1
Income from discontinued operations before income taxes		22			242
Adjustment to gain on disposal of Willis Re		(2	)		—
Provision for income taxes		(3	)		(52	)
Net income payable to Gallagher on Deferred Closing		(6	)		—
Income from discontinued operations, net of tax	$	11		$	190