Financing arrangements (Tables)

9 Months Ended

Sep. 30, 2018

Debt Disclosure [Abstract]

Schedule of Debt Instruments

Our borrowings consisted of the following (in millions):

	September 30, 2018			December 31, 2017
6.15% notes due 2018 (6.15% 2018 Notes)	$	—		$	500
4.375% €550 million notes due 2018 (4.375% 2018 euro Notes)	648			653
5.70% notes due 2019 (5.70% 2019 Notes)	1,000			1,000
1.90% notes due 2019 (1.90% 2019 Notes)	700			700
Floating Rate Notes due 2019	550			550
2.20% notes due 2019 (2.20% 2019 Notes)	1,400			1,400
2.125% €675 million notes due 2019 (2.125% 2019 euro Notes)	783			810
4.50% notes due 2020 (4.50% 2020 Notes)	300			300
2.125% notes due 2020 (2.125% 2020 Notes)	750			750
Floating Rate Notes due 2020	300			300
2.20% notes due 2020 (2.20% 2020 Notes)	700			700
3.45% notes due 2020 (3.45% 2020 Notes)	900			900
4.10% notes due 2021 (4.10% 2021 Notes)	1,000			1,000
1.85% notes due 2021 (1.85% 2021 Notes)	750			750
3.875% notes due 2021 (3.875% 2021 Notes)	1,750			1,750
1.25% €1,250 million notes due 2022 (1.25% 2022 euro Notes)	1,451			1,501
2.70% notes due 2022 (2.70% 2022 Notes)	500			500
2.65% notes due 2022 (2.65% 2022 Notes)	1,500			1,500
3.625% notes due 2022 (3.625% 2022 Notes)	750			750
0.41% CHF700 million bonds due 2023 (0.41% 2023 Swiss franc Bonds)	713			719
2.25% notes due 2023 (2.25% 2023 Notes)	750			750
3.625% notes due 2024 (3.625% 2024 Notes)	1,400			1,400
3.125% notes due 2025 (3.125% 2025 Notes)	1,000			1,000
2.00% €750 million notes due 2026 (2.00% 2026 euro Notes)	870			901
2.60% notes due 2026 (2.60% 2026 Notes)	1,250			1,250
5.50% £475 million notes due 2026 (5.50% 2026 pound sterling Notes)	619			642
3.20% notes due 2027 (3.20% 2027 Notes)	1,000			1,000
4.00% £700 million notes due 2029 (4.00% 2029 pound sterling Notes)	912			946
6.375% notes due 2037 (6.375% 2037 Notes)	552			552
6.90% notes due 2038 (6.90% 2038 Notes)	291			291
6.40% notes due 2039 (6.40% 2039 Notes)	466			466
5.75% notes due 2040 (5.75% 2040 Notes)	412			412
4.95% notes due 2041 (4.95% 2041 Notes)	600			600
5.15% notes due 2041 (5.15% 2041 Notes)	974			974
5.65% notes due 2042 (5.65% 2042 Notes)	487			487
5.375% notes due 2043 (5.375% 2043 Notes)	261			261
4.40% notes due 2045 (4.40% 2045 Notes)	2,250			2,250
4.563% notes due 2048 (4.563% 2048 Notes)	1,415			1,415
4.663% notes due 2051 (4.663% 2051 Notes)	3,541			3,541
Other notes due 2097	100			100
Unamortized discounts, premiums, issuance costs and fair value adjustments, net	(1,168		)	(929		)
Total carrying value of debt	34,427			35,342
Less current portion	(5,077		)	(1,152		)
Total long-term debt	$	29,350		$	34,190