Short-Term Borrowings and Long-Term Debt (Details) $ in Millions	Mar. 31, 2023 USD ($)
Debt Instrument [Line Items]
Par Value	$ 6,500
4.250% notes due January 2029
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.25%
Par Value	$ 1,250
4.500% notes due April 2033
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.50%
Par Value	$ 1,500
5.050% notes due April 2053
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.05%
Par Value	$ 2,000
5.200% notes due April 2063
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.20%
Par Value	$ 1,750