Employee Benefit Plans - PAC - Plan Assumptions (Details)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Other Postretirement
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.54%	2.95%	2.59%
Discount rate	2.95%	2.59%	3.24%
Expected return on plan assets	4.20%	3.35%	5.42%
Other Postretirement | PAC
Defined Benefit Plan Disclosure [Line Items]
Discount rate	5.50%	2.90%	2.50%
Discount rate	2.90%	2.50%	3.20%
Expected return on plan assets	3.44%	2.90%	4.92%
U.S. | Pension
Defined Benefit Plan Disclosure [Line Items]
Discount rate	5.65%	2.98%	2.60%
Interest crediting rates for cash balance plan, year one	3.25%	2.45%	2.44%
Interest crediting rates for cash balance plan, year two	4.25%	2.56%	2.25%
Interest crediting rates for cash balance plan, year three	4.25%	2.56%	2.25%
Interest crediting rates for cash balance plan, year four	3.65%	2.83%	2.65%
Interest crediting rates for cash balance plan, year five		2.83%	2.65%
Interest crediting rates for cash balance plan, year six			2.65%
Discount rate	2.98%	2.60%	3.32%
Expected return on plan assets	4.30%	5.39%	5.94%
U.S. | Pension | PAC
Defined Benefit Plan Disclosure [Line Items]
Discount rate	5.55%	2.90%	2.50%
Discount rate	2.90%	2.50%	3.25%
Expected return on plan assets	4.70%	6.00%	6.50%
U.S. | Pension | PAC | Nonunion pension plan participant
Defined Benefit Plan Disclosure [Line Items]
Interest crediting rates for cash balance plan, year one	0.88%	0.82%	2.27%
Interest crediting rates for cash balance plan, year two	4.73%	0.88%	0.82%
Interest crediting rates for cash balance plan, year three	4.73%	0.88%	0.82%
Interest crediting rates for cash balance plan, year four	2.60%	1.90%	2.00%
Interest crediting rates for cash balance plan, year five		1.90%	2.00%
Interest crediting rates for cash balance plan, year six			2.00%
U.S. | Pension | PAC | Union pension plan participant
Defined Benefit Plan Disclosure [Line Items]
Interest crediting rates for cash balance plan, year one	1.94%	1.42%	2.16%
Interest crediting rates for cash balance plan, year two	3.55%	1.94%	1.42%
Interest crediting rates for cash balance plan, year three	3.55%	1.94%	1.42%
Interest crediting rates for cash balance plan, year four	2.40%	2.30%	2.40%
Interest crediting rates for cash balance plan, year five		2.30%	2.40%
Interest crediting rates for cash balance plan, year six			2.40%