Debt and lines of credit (Tables)

6 Months Ended

Jun. 30, 2022

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

Long-term debt outstanding is as follows:

	June 30,		December 31,
	2022		2021
Notes due 2022 at 1.85%	$	—	$	500
Notes due 2023 at 2.25%	500		500
Notes due 2024 at 2.625%	300		300
Notes due 2025 at 1.375%	750		750
Notes due 2026 at 1.125%	500		500
Notes due 2027 at 2.90%	500		500
Notes due 2029 at 2.25%	750		750
Notes due 2030 at 1.75%	750		750
Notes due 2031 at 1.90%	500		500
Notes due 2039 at 3.875%	750		750
Notes due 2048 at 4.15%	1,500		1,500
Notes due 2051 at 2.70%	500		500
Total debt	7,300		7,800
Net unamortized discounts, premiums and issuance costs	(56)		(59)
Total debt, including net unamortized discounts, premiums and issuance costs	7,244		7,741
Current portion of long-term debt	(499)		(500)
Long-term debt	$	6,745	$	7,241