Financing arrangements (Details Textual) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2022	Jun. 30, 2022
4.20% 2052 Notes [Member]
Debt Instrument [Line Items]
Face amount	$ 1,000
Notes [Member]
Debt Instrument [Line Items]
Face amount	$ 4,000
Notes [Member] \| 4.563% notes due 2048 (4.563% 2048 Notes) [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage		4.563%
Effective interest rate		6.30%
Notes [Member] \| 4.663% notes due 2051 (4.663% 2051 Notes) [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage		4.663%
Effective interest rate		5.60%
Notes [Member] \| Two Point Seven Seven Percent Notes Due Two Zero Five Three
Debt Instrument [Line Items]
Interest rate, stated percentage		2.77%
Effective interest rate		5.20%
Notes [Member] \| 3.00% 2029 Notes [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage	3.00%	3.00%
Face amount	$ 750
Percentage of Prinicipal Amount of Notes that may be Paid Upon Occurance of Change in Control Triggering Event	101.00%
Notes [Member] \| 3.35% 2032 Notes [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage	3.35%	3.35%
Face amount	$ 1,000
Percentage of Prinicipal Amount of Notes that may be Paid Upon Occurance of Change in Control Triggering Event	101.00%
Notes [Member] \| 4.20% 2052 Notes [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage	4.20%	4.20%
Percentage of Prinicipal Amount of Notes that may be Paid Upon Occurance of Change in Control Triggering Event	101.00%
Notes [Member] \| 4.40% 2062 Notes [Member]
Debt Instrument [Line Items]
Interest rate, stated percentage	4.40%	4.40%
Face amount	$ 1,250
Percentage of Prinicipal Amount of Notes that may be Paid Upon Occurance of Change in Control Triggering Event	101.00%
Minimum [Member] \| Debt Securities Payable [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Period without Payment of Make Whole Amount	2 months
Maximum [Member] \| Debt Securities Payable [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Period without Payment of Make Whole Amount	6 months

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+ References

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- Definition

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