Fair Value Measurements (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				12 Months Ended
	Sep. 30, 2012	Jun. 30, 2012	Sep. 30, 2011	Jun. 30, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Currency Hedge Contracts Liabilities					$ 2,564	$ 2,469
Accrued Contingent Consideration					501	663	358
Derivative Instruments, Gain (Loss) [Line Items]
Cost Method Investments					20	13
Time Deposits, at Carrying Value					31
Cash					148	168
Gain (loss) related to ineffective portion of hedging relationships					1		(5)
Impairment of Intangible Assets (Excluding Goodwill)	13	129	9	12	53	142	21
Foreign Currency Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net					36	(39)	(95)
Gain (Loss) in AOCI for effective portion of cash flow hedges					139	31
Foreign Currency Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months					75
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments at Fair Value, Net					1,952	1,942
Notional Amount of Interest Rate Derivatives					450
Interest Rate Derivatives, at Fair Value, Net					450
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net					1	2	1
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net					0	0
Unamortized gains on senior notes					54	64
Unamortized losses on senior notes					2	3
Unrealized gain on interest rate cash flow hedges, pretax, AOCI					3	4
Gain (loss) recognized in earnings for previously terminated interest rate swaps					10	11
Gain (loss) on previously terminated interest rate swaps to be reclassified within twelve months					9
Asset Impairment Charges					476	4,492
Debt Instrument, Fair Value Disclosure					4,602	4,793
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net					37	(37)	(94)
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net					207	95	(66)
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Cost of products sold [Member] | Foreign Exchange Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net					36	(39)	(95)
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net					207	95	(66)
Not Designated as Hedging Instrument [Member] | Other, net [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Net gain (loss) from foreign currency transaction exposures					(113)	(41)	(24)
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net					102	23	12
Foreign Currency Transaction Gain (Loss), Realized					(11)	(18)	(12)
Gain on hedged debt obligation [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Interest Expense, Other					7
Loss on hedged debt obligation [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Interest Expense, Other					(8)
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Instruments in Hedges, Assets, at Fair Value					1
Derivative Instruments in Hedges, Liabilities, at Fair Value					8
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money Market Funds, at Carrying Value					38	39
Assets, Fair Value Disclosure					38	39
Liabilities, Fair Value Disclosure					0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign Currency Contract, Asset, Fair Value Disclosure					264	121
Assets, Fair Value Disclosure					265	121
Currency Hedge Contracts Liabilities					55	57
Liabilities, Fair Value Disclosure					63	57
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure					0
Accrued Contingent Consideration					501	663
Liabilities, Fair Value Disclosure					501	663
Fair Value, Measurements, Recurring [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money Market Funds, at Carrying Value					38	39
Foreign Currency Contract, Asset, Fair Value Disclosure					264	121
Derivative Instruments in Hedges, Assets, at Fair Value					1
Assets, Fair Value Disclosure					303	160
Currency Hedge Contracts Liabilities					55	57
Accrued Contingent Consideration					501	663
Derivative Instruments in Hedges, Liabilities, at Fair Value					8
Liabilities, Fair Value Disclosure					$ 564	$ 720