Debt Instrument, Authorized Face Amount to be Repurchased

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- Definition

Debt Instrument, Redemption, Redemption Premium

+ References

No definition available.

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- Definition

Represents the term of line of credit facility.

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No definition available.

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- Definition

Represents the term of the long-term debt facility.

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No definition available.

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- Definition

Amount of amortization expense attributable to debt issuance costs.

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- Definition

Short-Term financing which is expected to be paid back relatively quickly, such as by a subsequent longer-term loan. Also called swing loan or bridge financing.

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- Definition

Including the current and noncurrent portions, carrying amount of debt identified as being convertible into another form of financial instrument (typically the entity's common stock) as of the balance sheet date, which originally required full repayment more than twelve months after issuance or greater than the normal operating cycle of the company.

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- Definition

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

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- Definition

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

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Face (par) amount of the original debt instrument that was repurchased.

+ References

No definition available.

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- Definition

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

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

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No definition available.

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- Definition

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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- Definition

Expenses paid for obtaining loans which includes expenses such as application and origination fees.

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No definition available.

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- Definition

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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- Definition

The fair value of notes assumed in noncash investing or financing activities.

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- Definition

The cash outflow for incremental, external costs directly pertaining to an early extinguishment of debt, including legal costs and prepayment penalties, and excluding interest and repayment of debt principal.

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No definition available.

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- Definition

The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

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- Definition

The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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No definition available.

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- Definition

The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer).

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- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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No definition available.

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- Definition

Weighted average interest rate of short-term debt outstanding.

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- Definition

Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

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Borrowing and Credit Agreements - Additional Information (Details) - USD ($)									1 Months Ended	3 Months Ended	4 Months Ended	12 Months Ended
	Dec. 15, 2017	Dec. 03, 2017	Jan. 03, 2017	Jul. 27, 2016	May 31, 2016	May 16, 2016	Jul. 20, 2015	May 20, 2015	Aug. 31, 2015	Dec. 31, 2017	Dec. 31, 2015	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Jun. 13, 2016	Oct. 20, 2015	Sep. 15, 2015
Borrowings and Credit Agreements
Loss on early extinguishment of debt													$ 643,000,000	$ 0
Carrying amount of long-term debt										$ 25,700,000,000		$ 25,700,000,000
Omnicare, Inc.
Borrowings and Credit Agreements
Notes assumed									$ 3,100,000,000
Convertible debt											$ 5,000,000			5,000,000
Repayments of debt														$ 2,400,000,000
Carrying amount of long-term debt									700,000,000
Commercial Paper
Borrowings and Credit Agreements
Weighted average interest rate										2.00%		2.00%	1.22%
Bridge Loan.
Borrowings and Credit Agreements
Plan assets								$ 13,000,000,000
Loan processing fee								$ 52,000,000
Senior notes 1.900% due in 2018, 2.800% due in 2020, 3.500% due in 2022, 4.875% due in 2035, and 5.125% due in 2045
Borrowings and Credit Agreements
Debt instrument, face amount							$ 15,000,000,000
Term loan in connection with Aetna purchase \| Aetna Acquisition
Borrowings and Credit Agreements
Debt instrument, face amount	$ 5,000,000,000
Term Loan In Connection With Aetna Purchase Tranche One [Member] \| Aetna Acquisition
Borrowings and Credit Agreements
Debt term (in years)	3 years
Debt instrument, face amount	$ 3,000,000,000
Term Loan In Connection With Aetna Purchase Tranche Two [Member] \| Aetna Acquisition
Borrowings and Credit Agreements
Debt term (in years)	5 years
Debt instrument, face amount	$ 2,000,000,000
Unsecured Backup Credit Facilities
Borrowings and Credit Agreements
Commitment fee percentage												0.02%
Long-term line of credit										$ 0		$ 0	$ 0
Unsecured Backup Credit Facilities \| Unsecured Backup Credit Facility Expiring May 17, 2018
Borrowings and Credit Agreements
Maximum borrowing capacity										1,000,000,000		$ 1,000,000,000
Line of credit facility term (in years)												364 days
Unsecured Backup Credit Facilities \| Unsecured Backup Credit Facility Expiring July 24, 2019
Borrowings and Credit Agreements
Maximum borrowing capacity										1,250,000,000		$ 1,250,000,000
Line of credit facility term (in years)												5 years
Unsecured Backup Credit Facilities \| Unsecured Backup Credit Facility Expiring July 1, 2020
Borrowings and Credit Agreements
Maximum borrowing capacity										1,250,000,000		$ 1,250,000,000
Line of credit facility term (in years)												5 years
Unsecured Backup Credit Facilities \| Unsecured Backup Credit Facility Expiring May 18, 2022
Borrowings and Credit Agreements
Maximum borrowing capacity										1,000,000,000		$ 1,000,000,000
Line of credit facility term (in years)												5 years
Line of Credit \| Revolving Credit Facility
Borrowings and Credit Agreements
Maximum borrowing capacity			$ 2,500,000,000
Commitment fee percentage			0.03%
Unsecured Debt
Borrowings and Credit Agreements
Proceeds from issuance of senior long-term debt							14,800,000,000
Unsecured Debt \| Unsecured Bridge Loan \| Aetna Acquisition
Borrowings and Credit Agreements
Debt issuance fees paid		$ 221,000,000
Amortization of loan facility fees										$ 56,000,000		$ 56,000,000
Debt instrument, face amount	$ 44,000,000,000	$ 49,000,000,000
Unsecured Debt \| 2.125% senior notes due 2021
Borrowings and Credit Agreements
Debt instrument, face amount						$ 1,750,000,000
Interest rate, stated percentage						2.125%
Unsecured Debt \| 2.875% senior notes due 2026
Borrowings and Credit Agreements
Debt instrument, face amount						$ 1,750,000,000
Interest rate, stated percentage						2.875%
Unsecured Debt \| 2016 Notes
Borrowings and Credit Agreements
Proceeds from issuance of debt						$ 3,500,000,000
Unsecured Debt \| 4.875% senior notes due 2035
Borrowings and Credit Agreements
Debt instrument, face amount							$ 2,000,000,000
Interest rate, stated percentage							4.875%
Unsecured Debt \| 3.875% senior notes due 2025
Borrowings and Credit Agreements
Debt instrument, face amount							$ 3,000,000,000
Interest rate, stated percentage							3.875%
Unsecured Debt \| 1.9% senior notes due 2018
Borrowings and Credit Agreements
Debt instrument, face amount							$ 2,250,000,000
Interest rate, stated percentage							1.90%
Unsecured Debt \| 2.8% senior notes due 2020
Borrowings and Credit Agreements
Debt instrument, face amount							$ 2,750,000,000
Interest rate, stated percentage							2.80%
Unsecured Debt \| 3.5% senior notes due 2022
Borrowings and Credit Agreements
Debt instrument, face amount							$ 1,500,000,000
Interest rate, stated percentage							3.50%
Unsecured Debt \| 5.125% senior notes due 2045
Borrowings and Credit Agreements
Debt instrument, face amount							$ 3,500,000,000
Interest rate, stated percentage							5.125%
Senior Notes \| 5.75% senior notes due 2017
Borrowings and Credit Agreements
Interest rate, stated percentage						5.75%
Senior Notes \| 6.6% senior notes due 2019
Borrowings and Credit Agreements
Interest rate, stated percentage						6.60%
Senior Notes \| 4.75% senior notes due 2020
Borrowings and Credit Agreements
Interest rate, stated percentage						4.75%
Senior Notes \| Maximum Tender Offer Notes
Borrowings and Credit Agreements
Authorized face amount to be repurchased					$ 2,250,000,000	$ 1,500,000,000
Repurchased face amount															$ 2,250,000,000
Senior Notes \| 6.25% senior notes due 2027
Borrowings and Credit Agreements
Interest rate, stated percentage						6.25%
Senior Notes \| 6.125% senior notes due 2039
Borrowings and Credit Agreements
Interest rate, stated percentage						6.125%
Senior Notes \| 5.75% senior notes due 2041
Borrowings and Credit Agreements
Interest rate, stated percentage						5.75%
Senior Notes \| 5% senior notes due 2024
Borrowings and Credit Agreements
Debt instrument, face amount																$ 296,000,000
Interest rate, stated percentage						5.00%				5.00%		5.00%					5.00%
Senior Notes \| 5% senior notes due 2024 \| Omnicare, Inc.
Borrowings and Credit Agreements
Carrying amount of long-term debt									300,000,000
Senior Notes \| 4.750% senior notes due in 2022
Borrowings and Credit Agreements
Debt instrument, face amount																$ 388,000,000
Interest rate, stated percentage						4.75%				4.75%		4.75%					4.75%
Senior Notes \| 4.750% senior notes due in 2022 \| Omnicare, Inc.
Borrowings and Credit Agreements
Carrying amount of long-term debt									400,000,000
Senior Notes \| 4.875% senior notes due 2035
Borrowings and Credit Agreements
Interest rate, stated percentage						4.875%
Senior Notes \| 3.875% senior notes due 2025
Borrowings and Credit Agreements
Interest rate, stated percentage						3.875%
Senior Notes \| Any and All Notes
Borrowings and Credit Agreements
Repurchased face amount				$ 1,100,000,000											$ 835,000,000
Redemption premium				97,000,000
Write off of deferred debt issuance cost				$ 4,000,000
Loss on early extinguishment of debt													101,000,000
Senior Notes \| The Notes
Borrowings and Credit Agreements
Redemption premium						$ 486,000,000
Write off of deferred debt issuance cost						50,000,000
Payments of debt extinguishment costs						$ 6,000,000
Loss on early extinguishment of debt													$ 542,000,000
Convertible Debt. \| Omnicare, Inc.
Borrowings and Credit Agreements
Notes assumed									$ 2,000,000,000
Loans Payable \| Omnicare, Inc.
Borrowings and Credit Agreements
Repayments of debt											$ 400,000,000