Employee Benefits - Weighted-average assumptions used to determine the net periodic benefit cost (Details) - Pension Plan	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
U.S.
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Expected return on plan assets, net of administration expenses	5.28%
U.S. | Minimum
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Discount rate	1.67%	1.12%	2.36%
Expected return on plan assets, net of administration expenses	2.03%	2.65%	3.30%
U.S. | Maximum
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Discount rate	2.25%	1.79%	2.76%
Expected return on plan assets, net of administration expenses	5.28%	6.56%	7.04%
U.K.
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Discount rate	1.85%	1.20%	1.89%
Expected return on plan assets, net of administration expenses	2.34%	2.04%	2.74%
U.K. | Minimum
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Rate of compensation increase	3.62%	3.22%	3.24%
U.K. | Maximum
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Rate of compensation increase	4.12%	3.72%	3.74%
Other | Minimum
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Discount rate	0.84%	0.28%	0.74%
Expected return on plan assets, net of administration expenses	1.80%	1.70%	2.10%
Rate of compensation increase	1.00%	1.00%	1.00%
Other | Maximum
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Discount rate	2.58%	2.00%	2.90%
Expected return on plan assets, net of administration expenses	3.15%	2.65%	3.10%
Rate of compensation increase	3.00%	3.00%	3.00%