Retirement Plans and Other Retiree Benefits - Summary of Net Periodic Benefit Costs (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Sep. 30, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Other Retiree Benefit Plans
Components of Net Periodic Benefit Cost
Service cost		$ 18	$ 26	$ 20
Interest cost		36	35	37
Expected return on plan assets		0	0	(2)
Amortization of transition and prior service costs (credits)		(6)	0	0
Amortization of actuarial loss		14	23	18
Net periodic benefit cost		62	84	73
Other postretirement charges		2	0	0
Total pension cost		$ 64	$ 84	$ 73
Weighted-Average Assumptions Used to Determine Net Periodic Benefit Cost
Discount rate		3.06%	2.88%	3.56%
Expected long-term rate of return on plan assets			5.70%	6.30%
Long-term rate of compensation increase		0.00%	0.00%	0.00%
ESOP growth rate		6.00%	10.00%	10.00%
Medical cost trend rate of increase		6.00%	6.00%	6.00%
Interest Crediting Rate		0.00%	0.00%	0.00%
United States
Components of Net Periodic Benefit Cost
Amortization of actuarial loss	$ (398)
United States | Pension Plans
Components of Net Periodic Benefit Cost
Service cost		$ 0	$ 0	$ 1
Interest cost		64	61	74
Expected return on plan assets		(101)	(106)	(111)
Amortization of transition and prior service costs (credits)		0	0	0
Amortization of actuarial loss		46	47	46
Net periodic benefit cost		9	2	10
Other postretirement charges		13	(3)	4
Total pension cost		$ 22	$ (1)	$ 14
Weighted-Average Assumptions Used to Determine Net Periodic Benefit Cost
Discount rate		2.98%	2.65%	3.40%
Expected long-term rate of return on plan assets		5.70%	5.70%	6.30%
Long-term rate of compensation increase		3.50%	3.50%	3.50%
ESOP growth rate		0.00%	0.00%	0.00%
Medical cost trend rate of increase		0.00%	0.00%	0.00%
Interest Crediting Rate		2.82%	2.48%	3.21%
International | Pension Plans
Components of Net Periodic Benefit Cost
Service cost		$ 15	$ 19	$ 17
Interest cost		21	20	21
Expected return on plan assets		(21)	(20)	(22)
Amortization of transition and prior service costs (credits)		1	1	0
Amortization of actuarial loss		7	11	9
Net periodic benefit cost		23	31	25
Other postretirement charges		4	1	0
Total pension cost		$ 27	$ 32	$ 25
Weighted-Average Assumptions Used to Determine Net Periodic Benefit Cost
Discount rate		2.10%	1.61%	2.06%
Expected long-term rate of return on plan assets		2.72%	2.93%	3.38%
Long-term rate of compensation increase		2.89%	2.62%	2.83%
ESOP growth rate		0.00%	0.00%	0.00%
Medical cost trend rate of increase		0.00%	0.00%	0.00%
Interest Crediting Rate		0.84%	0.83%	0.85%