Employee Benefit Plans (Additional Information) (Detail) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Jan. 31, 2017	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Pension and Other Postretirement Benefits Disclosure [Line Items]
Pension settlement charge			$ 190	$ 0	$ 50
Reduction in projected benefit obligation due to non-cash settlement charge			309		$ 175
ABO for all defined benefit pension plans			$ 2,200	$ 2,300
Return on plan assets assumption			6.50%	5.00%	4.80%
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%
Voluntary contributions			$ 28
Aggregate PBO for the pension plans with PBO in excess of plan assets			1,426	$ 1,863
Aggregate fair value of plan assets for the pension plans with PBO in excess of plan assets			771	1,270
Aggregate ABO for the pension plans with ABO in excess of plan assets			1,366	1,833
Fair value of plan assets for the pension plans with ABO in excess of plan assets			$ 737	1,266
Defined Contribution Plan Contribution Rates As Percentage Of Employees Earnings			6.00%
Minimum
Pension and Other Postretirement Benefits Disclosure [Line Items]
Defined Contribution Plan Contribution Rates As Percentage Of Employees Earnings			2.00%
Maximum
Pension and Other Postretirement Benefits Disclosure [Line Items]
Defined Contribution Plan Contribution Rates As Percentage Of Employees Earnings			5.00%
Scenario, Forecast
Pension and Other Postretirement Benefits Disclosure [Line Items]
Impact on net periodic pension expense		$ 3
Weighted-average healthcare cost trend rate assumed for next fiscal year		5.50%
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			$ 46	11
Defined Benefit Plan, Benefit Obligation, Benefits Paid			129	140
Net actuarial loss arising during the year			141
Estimated future benefit payments in 2022			152
Estimated future benefit payments in 2023			137
Estimated future benefit payments in 2024			140
Estimated future benefit payments in 2025			145
Estimated future benefit payments in 2026			146
Estimated aggregate future benefits payments for the five years thereafter			775
Other Postretirement Benefits
Pension and Other Postretirement Benefits Disclosure [Line Items]
Plan amendments			(17)	0
Defined Benefit Plan, Benefit Obligation, Benefits Paid			42	44
Net actuarial loss arising during the year			0
Estimated future benefit payments in 2022			45
Estimated future benefit payments in 2023			44
Estimated future benefit payments in 2024			41
Estimated future benefit payments in 2025			40
Estimated future benefit payments in 2026			40
Estimated aggregate future benefits payments for the five years thereafter			$ 177
Other Postretirement Benefits | Scenario, Forecast
Pension and Other Postretirement Benefits Disclosure [Line Items]
Impact on net periodic pension expense		$ 2
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			86.00%
United States
Pension and Other Postretirement Benefits Disclosure [Line Items]
Contributions to defined benefit pension plans			$ 28	0	$ 0
Return on plan assets assumption			7.40%
Percentage of defined benefit pension plan assets market value			93.00%
United States | Scenario, Forecast
Pension and Other Postretirement Benefits Disclosure [Line Items]
Return on plan assets assumption		7.70%
United States | Pension Plan
Pension and Other Postretirement Benefits Disclosure [Line Items]
Contributions to defined benefit pension plans			$ 28	0
Defined Benefit Plan, Benefit Obligation, Benefits Paid			79	91
United States | Other Postretirement Benefits
Pension and Other Postretirement Benefits Disclosure [Line Items]
Plan amendments			(17)	0
Defined Benefit Plan, Benefit Obligation, Benefits Paid			39	40
International
Pension and Other Postretirement Benefits Disclosure [Line Items]
Contributions to defined benefit pension plans			18	11	$ 10
International | Scenario, Forecast
Pension and Other Postretirement Benefits Disclosure [Line Items]
Return on plan assets assumption		6.60%
International | Pension Plan
Pension and Other Postretirement Benefits Disclosure [Line Items]
Contributions to defined benefit pension plans			18	11
Defined Benefit Plan, Benefit Obligation, Benefits Paid			50	49
International | Other Postretirement Benefits
Pension and Other Postretirement Benefits Disclosure [Line Items]
Plan amendments			0	0
Defined Benefit Plan, Benefit Obligation, Benefits Paid			$ 3	$ 4
Canada, Netherlands, And United Kingdom
Pension and Other Postretirement Benefits Disclosure [Line Items]
Percentage of defined benefit pension plan assets market value			93.00%