Short-Term Borrowings and Long-Term Debt (Schedule Related to the Classification of Debt Interest Rate) (Details)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Fixed-Rate
Debt Instrument [Line Items]
Weighted average rate	2.26%	2.01%
Matures through	2036	2036
Fixed-Rate | Maximum
Debt Instrument [Line Items]
Interest rate	2.75%	2.75%
Fixed-Rate | Minimum
Debt Instrument [Line Items]
Interest rate	1.00%	1.00%
Fixed-Rate Convertible
Debt Instrument [Line Items]
Weighted average rate	79.00%	0.59%
Matures through	2030	2030
Fixed-Rate Convertible | Maximum
Debt Instrument [Line Items]
Interest rate	79.00%	0.79%
Fixed-Rate Convertible | Minimum
Debt Instrument [Line Items]
Interest rate	79.00%	0.43%