Restructuring Costs (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Restructuring and Related Cost
Restructuring costs	$ 35	$ 112	$ 124	$ 296
Employee Separation Charges [Roll Forward]
Restructuring Reserve, Beginning Balance			164	48
Restructuring Reserve, Ending Balance	84	149	84	149
Increase in liability (separation charges)			79	232
Payments for Restructuring			(159)	(131)
Construction Industries [Member]
Restructuring and Related Cost
Restructuring costs	0	2	0	7
Resource Industries
Restructuring and Related Cost
Restructuring costs	0	2	0	18
Energy & Transportation
Restructuring and Related Cost
Restructuring costs	0	18	0	39
Financial Products Segment
Restructuring and Related Cost
Restructuring costs	0	1	0	2
Employee separations \| Other Operating Income (Expense)
Restructuring and Related Cost
Restructuring costs	17	98	79	232
Contract terminations \| Other Operating Income (Expense)
Restructuring and Related Cost
Restructuring costs	1	0	1	3
Long-lived asset impairments \| Other Operating Income (Expense)
Restructuring and Related Cost
Restructuring costs	8	2	12	25
Other \| Cost of Sales
Restructuring and Related Cost
Restructuring costs	$ 9	$ 12	$ 32	$ 36

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Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

+ References

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

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Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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