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The amount of available authorization by the board of directors for redemption of debt.

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Other reconciling items in noncurrent debt account.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Debt and Lines of Credit - Debt Redemption (Details) € in Millions, $ in Millions, ¥ in Billions																	3 Months Ended	12 Months Ended
	Dec. 19, 2019 USD ($)	Nov. 21, 2019 USD ($)	Nov. 21, 2019 JPY (¥)	Nov. 19, 2019 USD ($)	Sep. 30, 2019 USD ($)	Feb. 24, 2019 USD ($)	Nov. 30, 2018 USD ($)	Oct. 28, 2018 USD ($)	Sep. 28, 2018 USD ($)	Sep. 27, 2018 USD ($)	Sep. 17, 2018 USD ($)	Jun. 22, 2018 USD ($)	Mar. 22, 2018 USD ($)	Feb. 16, 2018 USD ($)	Oct. 03, 2017 USD ($)	Oct. 02, 2017 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Nov. 19, 2019 EUR (€)	Oct. 31, 2018	Sep. 27, 2018 EUR (€)	Jun. 30, 2017	Mar. 31, 2017 USD ($)
Debt and Lines of Credit
Long-term notes authorized for redemption					$ 5,000									$ 5,000
Authorization available for redemption of debt					$ 700
Loss on extinguishment of debt													$ 14					$ 63	$ 167
Proceeds from issuance of long-term debt and debt with maturities over 3 months																		1,842	4,009	$ 6,742
Debt outstanding																		17,938	19,366
Other, including fair value adjustments relating to interest rate hedge contracts designated as fair value hedges																		$ (6)	$ (141)
2014 revolving credit agreement
Debt and Lines of Credit
Repayments of debt																	$ 550
Proceeds from line of credit															$ 1,700	$ 0
Maximum borrowing capacity															$ 5,000
2018 Five Year Credit Agreement
Debt and Lines of Credit
Maturity period							5 years
Maximum borrowing capacity							$ 5,000
Yen-denominated long-term debt
Debt and Lines of Credit
Maturity period		5 years	5 years
Proceeds from issuance of long-term debt and debt with maturities over 3 months		$ 550	¥ 59.8
5.125% Notes, due 2019
Debt and Lines of Credit
Repayments of debt													$ 947
Interest rate percentage													5.125%
2.35% Notes, due 2019
Debt and Lines of Credit
Repayments of debt									$ 495			$ 1,300	$ 1,055
Interest rate percentage									2.35%			2.35%	2.35%
Debt issued - principal amount													$ 2,850
Outstanding principal amount												$ 1,795
2.80% Notes, due 2020
Debt and Lines of Credit
Repayments of debt						$ 500
Interest rate percentage						2.80%													2.80%
2.0% Notes, due 2018
Debt and Lines of Credit
Repayments of debt											$ 500
Interest rate percentage											2.00%
Senior Notes
Debt and Lines of Credit
Debt issued - principal amount																									$ 2,900
Long-term Debt
Debt and Lines of Credit
Repayments of debt								$ 4,000
2.00% Notes, due 2020
Debt and Lines of Credit
Repayments of debt								$ 750
Interest rate percentage								2.00%																2.00%
4.125% Notes, due 2020
Debt and Lines of Credit
Repayments of debt								$ 597
Interest rate percentage								4.125%
3.25% Notes due 2023
Debt and Lines of Credit
Repayments of debt								$ 900
Interest rate percentage								3.25%
3.40% Note due in 2023 and the 3.75% Note due in 2026
Debt and Lines of Credit
Unwound interest rate swaps								$ 1,100
3.40% Notes, due 2023
Debt and Lines of Credit
Repayments of debt								$ 450
Interest rate percentage								3.40%										3.40%	3.40%			3.40%
3.75% Notes, due 2026
Debt and Lines of Credit
Repayments of debt								$ 1,300
Interest rate percentage								3.75%										3.75%	3.75%			3.75%
2.9% Notes, due 2021
Debt and Lines of Credit
Repayments of debt	$ 2,850
Interest rate percentage	2.90%
Loss on extinguishment of debt	$ 63
Long Term debt and Interest Rate swap redemption
Debt and Lines of Credit
Loss on extinguishment of debt								$ (153)
Abbott Ireland Financing DAC
Debt and Lines of Credit
Proceeds from issuance of long-term debt and debt with maturities over 3 months				$ 1,300						$ 4,000
Abbott Ireland Financing DAC \| Long-term Debt
Debt and Lines of Credit
Debt issued - principal amount \| €																					€ 1,180		€ 3,420
Abbott Ireland Financing DAC \| Non-interest bearing Senior Notes due 2020
Debt and Lines of Credit
Debt issued - principal amount \| €																							€ 1,140
Debt issuance price (as a percent)																							99.727
Abbott Ireland Financing DAC \| Non-interest bearing Senior Notes due 2024
Debt and Lines of Credit
Debt issued - principal amount \| €																					€ 590
Debt issuance price (as a percent)																					0.10
Abbott Ireland Financing DAC \| Non-interest bearing Senior Notes due 2027
Debt and Lines of Credit
Debt issued - principal amount \| €																					€ 590
Debt issuance price (as a percent)																					0.375
Abbott Ireland Financing DAC \| 0.875% Senior Notes due 2023
Debt and Lines of Credit
Interest rate percentage																							0.875%
Debt issued - principal amount \| €																							€ 1,140
Debt issuance price (as a percent)																							99.912
Abbott Ireland Financing DAC \| 1.50% Senior Notes due 2026
Debt and Lines of Credit
Interest rate percentage																							1.50%
Debt issued - principal amount \| €																							€ 1,140
Debt issuance price (as a percent)																							99.723