Debt (Tables)

12 Months Ended

Dec. 31, 2019

Debt Disclosure [Abstract]

Long-term Debt

Our total debt consisted of the following (in millions):

	2019			2018
Notes
4.25% due 2019	$	—		$	900
2.50% due 2020	1,250			1,250
3.35% due 2021	900			900
3.10% due 2023	500			500
2.90% due 2025	750			750
3.55% due 2026	2,000			2,000
3.60% due 2035	500			500
4.50% and 6.15% due 2036	1,054			1,054
4.07% due 2042	1,336			1,336
3.80% due 2045	1,000			1,000
4.70% due 2046	1,326			1,326
4.09% due 2052	1,578			1,578
Other notes with rates from 4.85% to 9.13%, due 2022 to 2041	1,618			1,618
Commercial paper	—			600
Total debt	13,812			15,312
Less: unamortized discounts and issuance costs	(1,158		)	(1,208		)
Total debt, net	12,654			14,104
Less: current portion	(1,250		)	(1,500		)
Long-term debt, net	$	11,404		$	12,604