Employee Benefit Plans (Additional Information) (Detail) - USD ($) $ in Millions	1 Months Ended	3 Months Ended	12 Months Ended
	Jan. 31, 2017	Dec. 31, 2021	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Pension and Other Postretirement Benefits Disclosure [Line Items]
Pension settlement charge					$ 50
Reduction in projected benefit obligation due to non-cash settlement charge		$ 175
ABO for all defined benefit pension plans		3,500		$ 2,300	$ 3,500
Return on plan assets assumption				5.00%	4.80%	5.00%
Impact on net periodic pension expense				$ 8
Weighted-average healthcare cost trend rate assumed for next fiscal year				5.40%
Assumed ultimate health care cost trend rate				4.00%
Aggregate PBO for the pension plans with PBO in excess of plan assets		2,232		$ 1,863	$ 2,232
Aggregate fair value of plan assets for the pension plans with PBO in excess of plan assets		1,366		1,270	1,366
Aggregate ABO for the pension plans with ABO in excess of plan assets		2,197		1,833	2,197
Fair value of plan assets for the pension plans with ABO in excess of plan assets		$ 1,362		1,266	1,362
Maximum
Pension and Other Postretirement Benefits Disclosure [Line Items]
Estimated future mandatory contributions, low end of range				20
Scenario, Forecast
Pension and Other Postretirement Benefits Disclosure [Line Items]
Impact on net periodic pension expense			$ 5
Weighted-average healthcare cost trend rate assumed for next fiscal year			5.80%
Assumed ultimate health care cost trend rate			3.90%
Pension Plan
Pension and Other Postretirement Benefits Disclosure [Line Items]
Contributions to defined benefit pension plans				11	10
Defined Benefit Plan, Benefit Obligation, Benefits Paid				140	149
Net actuarial gain arising during the year				(60)
Estimated future benefit payments in 2022				148
Estimated future benefit payments in 2023				166
Estimated future benefit payments in 2024				153
Estimated future benefit payments in 2025				157
Estimated future benefit payments in 2026				160
Estimated aggregate future benefits payments for the five years thereafter				825
Other Postretirement Benefits
Pension and Other Postretirement Benefits Disclosure [Line Items]
Defined Benefit Plan, Benefit Obligation, Benefits Paid				44	45
Net actuarial gain arising during the year				(174)
Estimated future benefit payments in 2022				48
Estimated future benefit payments in 2023				47
Estimated future benefit payments in 2024				46
Estimated future benefit payments in 2025				43
Estimated future benefit payments in 2026				42
Estimated aggregate future benefits payments for the five years thereafter				$ 192
Other Postretirement Benefits | Scenario, Forecast
Pension and Other Postretirement Benefits Disclosure [Line Items]
Impact on net periodic pension expense			$ 1
Postretirement Health Coverage
Pension and Other Postretirement Benefits Disclosure [Line Items]
Plan amendments	$ 306
Amortization reduction period	5 years 7 months 6 days
Welfare Benefits - U.S.
Pension and Other Postretirement Benefits Disclosure [Line Items]
Percentage of defined benefit pension plan assets market value				87.00%
United States
Pension and Other Postretirement Benefits Disclosure [Line Items]
Return on plan assets assumption				7.40%
Percentage of defined benefit pension plan assets market value				95.00%
United States | Scenario, Forecast
Pension and Other Postretirement Benefits Disclosure [Line Items]
Return on plan assets assumption			7.40%
United States | Pension Plan
Pension and Other Postretirement Benefits Disclosure [Line Items]
Contributions to defined benefit pension plans				$ 0	0
Defined Benefit Plan, Benefit Obligation, Benefits Paid				91	89
United States | Other Postretirement Benefits
Pension and Other Postretirement Benefits Disclosure [Line Items]
Defined Benefit Plan, Benefit Obligation, Benefits Paid				40	41
International
Pension and Other Postretirement Benefits Disclosure [Line Items]
Contributions to defined benefit pension plans				11	10	$ 17
International | Minimum
Pension and Other Postretirement Benefits Disclosure [Line Items]
Estimated future mandatory contributions, low end of range				10
International | Scenario, Forecast
Pension and Other Postretirement Benefits Disclosure [Line Items]
Return on plan assets assumption			6.50%
International | Pension Plan
Pension and Other Postretirement Benefits Disclosure [Line Items]
Contributions to defined benefit pension plans				11	10
Defined Benefit Plan, Benefit Obligation, Benefits Paid				49	60
International | Other Postretirement Benefits
Pension and Other Postretirement Benefits Disclosure [Line Items]
Defined Benefit Plan, Benefit Obligation, Benefits Paid				$ 4	$ 4
Canada, Netherlands, And United Kingdom
Pension and Other Postretirement Benefits Disclosure [Line Items]
Percentage of defined benefit pension plan assets market value				95.00%