Employee Benefit Plans Assumptions Used for U.S Defined Benefit Plans Table (Details) - United States	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Discount rate for obligations	2.79%	3.41%	4.50%
Discount rate for benefit costs	3.41%	4.50%	4.37%
Expected long-term rate of return on plan assets	6.13%	7.13%	7.13%