Contingencies, Commitments and Guarantees (Asbestos Claims) (Details) - Asbestos Related Claims $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($) Claims	Dec. 31, 2021 USD ($) Claims	Dec. 31, 2020 USD ($) Claims
Loss Contingencies [Line Items]
Asbestos personal injury claims at year end | Claims	58,073	58,785	60,618
Number of new claims during the year | Claims	2,610	2,824	2,496
Settlement payments during the year | $	$ 50.5	$ 53.0	$ 52.9
Asbestos-related claims liability, ending balance | $	$ 320.0	$ 372.0