Note 5: Borrowings and Lines of Credit (Details) (USD $)	3 Months Ended		12 Months Ended
	Mar. 31, 2013		Dec. 31, 2012
Notes to Condensed Consolidated Financial Statements [Abstract]
Commercial paper	$ 0		$ 320,000,000
Other borrowings	171,000,000		183,000,000
Short-term borrowings	171,000,000		503,000,000
Line of Credit Facility [Line Items]
Aggregate Line of Credit Facility Maximum Borrowing Capacity	4,000,000,000
Debt Instrument [Line Items]
Extinguishment of Debt, Announcement Date	Dec. 06, 2012
Extinguishment of Debt, Amount	637,000,000
Extinguishment of Debt, Expiration Date	Jan. 07, 2013
Gains (Losses) on Extinguishment of Debt			26,000,000
Extinguishment of Debt, Payment Date	Jan. 08, 2013
Other Loans Payable	59,000,000		100,000,000
Other Long-term Debt	392,000,000	[1]	403,000,000	[1]
Principal Long-Term Debt	22,312,000,000		22,365,000,000
Other Long-Term Debt Fair Market Value Adjustments	341,000,000	[1]	353,000,000	[1]
Total long-term debt	22,653,000,000		22,718,000,000
Long-term Debt and Capital Lease Obligations, Current	1,081,000,000		1,121,000,000
Maximum Commercial Paper Borrowing Authority	4,000,000,000
Long-term Debt [Member]
Debt Instrument [Line Items]
Extinguishment of Debt, Amount	2,000,000		635,000,000
Debt Fair Value Adjustment [Member]
Debt Instrument [Line Items]
Extinguishment of Debt, Amount			126,000,000
LIBOR Plus 0.270% Floating Rate Notes Due 2013 [Member]
Debt Instrument [Line Items]
Debt Instrument, Carrying Amount	1,000,000,000	[2]	1,000,000,000	[2]
Debt Instrument, Call Feature	§ The three-month LIBOR rate as of March 31, 2013 was approximately 0.3%.
Debt Instrument Maturity Date Description	2013
Debt Instrument, Interest Rate Terms	LIBOR plus 0.270%
LIBOR Plus 0.500% Floating Rate Notes Due 2015 [Member]
Debt Instrument [Line Items]
Debt Instrument, Carrying Amount	500,000,000	[2]	500,000,000	[2]
Debt Instrument, Call Feature	§ The three-month LIBOR rate as of March 31, 2013 was approximately 0.3%.
Debt Instrument Maturity Date Description	2015
Debt Instrument, Interest Rate Terms	LIBOR plus 0.500%
Notes 1.200% Due 2015 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	1.20%
Debt Instrument, Carrying Amount	1,000,000,000	[3]	1,000,000,000	[3]
Debt Instrument, Call Feature	* We may redeem the above notes, in whole or in part, at our option at any time at a redemption price in U.S. Dollars equal to the greater of 100% of the principal amount of the notes to be redeemed or the sum of the present values of the remaining scheduled payments of principal and interest on the notes to be redeemed, discounted to the redemption date on a semiannual basis at the adjusted treasury rate plus 10-50 basis points. The redemption price will also include interest accrued to the date of redemption on the principal balance of the notes being redeemed.
Debt Instrument Maturity Date Description	2015
Notes 4.875% Due 2015 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.875%
Debt Instrument, Carrying Amount	1,200,000,000	[3]	1,200,000,000	[3]
Debt Instrument, Call Feature	* We may redeem the above notes, in whole or in part, at our option at any time at a redemption price in U.S. Dollars equal to the greater of 100% of the principal amount of the notes to be redeemed or the sum of the present values of the remaining scheduled payments of principal and interest on the notes to be redeemed, discounted to the redemption date on a semiannual basis at the adjusted treasury rate plus 10-50 basis points. The redemption price will also include interest accrued to the date of redemption on the principal balance of the notes being redeemed.
Debt Instrument Maturity Date Description	2015
Notes 6.290% Due 2016 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.29%
Debt Instrument, Carrying Amount	291,000,000	[1]	291,000,000	[1]
Debt Instrument, Call Feature	‡ Includes notes and remaining fair market value adjustments that were assumed as a part of the Goodrich acquisition on July 26, 2012.
Debt Instrument Maturity Date Description	2016
Notes 5.375% Due 2017 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.375%
Debt Instrument, Carrying Amount	1,000,000,000	[3]	1,000,000,000	[3]
Debt Instrument, Call Feature	* We may redeem the above notes, in whole or in part, at our option at any time at a redemption price in U.S. Dollars equal to the greater of 100% of the principal amount of the notes to be redeemed or the sum of the present values of the remaining scheduled payments of principal and interest on the notes to be redeemed, discounted to the redemption date on a semiannual basis at the adjusted treasury rate plus 10-50 basis points. The redemption price will also include interest accrued to the date of redemption on the principal balance of the notes being redeemed.
Debt Instrument Maturity Date Description	2017
Notes 1.800% Due 2017 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	1.80%
Debt Instrument, Carrying Amount	1,500,000,000	[3]	1,500,000,000	[3]
Debt Instrument, Call Feature	* We may redeem the above notes, in whole or in part, at our option at any time at a redemption price in U.S. Dollars equal to the greater of 100% of the principal amount of the notes to be redeemed or the sum of the present values of the remaining scheduled payments of principal and interest on the notes to be redeemed, discounted to the redemption date on a semiannual basis at the adjusted treasury rate plus 10-50 basis points. The redemption price will also include interest accrued to the date of redemption on the principal balance of the notes being redeemed.
Debt Instrument Maturity Date Description	2017
Notes 6.800% Due 2018 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.80%
Debt Instrument, Carrying Amount	99,000,000	[1]	99,000,000	[1]
Debt Instrument, Call Feature	‡ Includes notes and remaining fair market value adjustments that were assumed as a part of the Goodrich acquisition on July 26, 2012.
Debt Instrument Maturity Date Description	2018
Notes 6.125% Due 2019*** [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.125%
Debt Instrument, Carrying Amount	300,000,000	[1]	300,000,000	[1]
Debt Instrument, Call Feature	‡ Includes notes and remaining fair market value adjustments that were assumed as a part of the Goodrich acquisition on July 26, 2012.
Debt Instrument Maturity Date Description	2019
Notes 6.125% Due 2019 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.125%
Debt Instrument, Carrying Amount	1,250,000,000	[3]	1,250,000,000	[3]
Debt Instrument, Call Feature	* We may redeem some or all of these series of notes at any time at a redemption price in U.S. Dollars equal to the greater of 100% of the principal amount outstanding of the applicable series of notes to be redeemed, or the sum of the present values of the remaining scheduled payments of principal and interest on the applicable series of notes to be redeemed. The discounts applied on such redemptions are based on a semiannual calculation at an adjusted treasury rate plus 10-50 basis points. The redemption price will also include interest accrued to the date of redemption on the principal balance of the notes being redeemed.
Debt Instrument Maturity Date Description	2019
Notes 8.875% Due 2019 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	8.875%
Debt Instrument, Carrying Amount	272,000,000		272,000,000
Debt Instrument Maturity Date Description	2019
Notes 4.500% Due 2020 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.50%
Debt Instrument, Carrying Amount	1,250,000,000	[3]	1,250,000,000	[3]
Debt Instrument, Call Feature	* We may redeem some or all of these series of notes at any time at a redemption price in U.S. Dollars equal to the greater of 100% of the principal amount outstanding of the applicable series of notes to be redeemed, or the sum of the present values of the remaining scheduled payments of principal and interest on the applicable series of notes to be redeemed. The discounts applied on such redemptions are based on a semiannual calculation at an adjusted treasury rate plus 10-50 basis points. The redemption price will also include interest accrued to the date of redemption on the principal balance of the notes being redeemed.
Debt Instrument Maturity Date Description	2020
Notes 4.875% Due 2020 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.875%
Debt Instrument, Carrying Amount	171,000,000	[1]	171,000,000	[1]
Debt Instrument, Call Feature	‡ Includes notes and remaining fair market value adjustments that were assumed as a part of the Goodrich acquisition on July 26, 2012.
Debt Instrument Maturity Date Description	2020
Notes 3.600% Due 2021 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	3.60%
Debt Instrument, Carrying Amount	294,000,000	[1]	295,000,000	[1]
Debt Instrument, Call Feature	‡ Includes notes and remaining fair market value adjustments that were assumed as a part of the Goodrich acquisition on July 26, 2012.
Debt Instrument Maturity Date Description	2021
Notes 8.750% Due 2021 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	8.75%
Debt Instrument, Carrying Amount	250,000,000		250,000,000
Debt Instrument Maturity Date Description	2021
Notes 3.100% Due 2022 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	3.10%
Debt Instrument, Carrying Amount	2,300,000,000	[3]	2,300,000,000	[3]
Debt Instrument, Call Feature	* We may redeem the above notes, in whole or in part, at our option at any time at a redemption price in U.S. Dollars equal to the greater of 100% of the principal amount of the notes to be redeemed or the sum of the present values of the remaining scheduled payments of principal and interest on the notes to be redeemed, discounted to the redemption date on a semiannual basis at the adjusted treasury rate plus 10-50 basis points. The redemption price will also include interest accrued to the date of redemption on the principal balance of the notes being redeemed.
Debt Instrument Maturity Date Description	2022
Junior Subordinated Notes 1.550% Due 2022 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	1.55%
Debt Instrument, Carrying Amount	1,100,000,000	[4]	1,100,000,000	[4]
Debt Instrument, Call Feature	† The junior subordinated notes are redeemable at our option, in whole or in part, on a date not earlier than August 1, 2017. The redemption price will be the principal amount, plus accrued and unpaid interest, if any, up to but excluding the redemption date. We may extend or eliminate the optional redemption date as part of a remarketing of the junior subordinated notes which could occur between April 29, 2015 and July 15, 2015 or between July 23, 2015 and July 29, 2015.
Debt Instrument Maturity Date Description	2022
Notes 7.100% Due 2027 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	7.10%
Debt Instrument, Carrying Amount	141,000,000	[1]	141,000,000	[1]
Debt Instrument, Call Feature	‡ Includes notes and remaining fair market value adjustments that were assumed as a part of the Goodrich acquisition on July 26, 2012.
Debt Instrument Maturity Date Description	2027
Notes 6.700% Due 2028 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.70%
Debt Instrument, Carrying Amount	400,000,000		400,000,000
Debt Instrument Maturity Date Description	2028
Notes 7.500% Due 2029 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	7.50%
Debt Instrument, Carrying Amount	550,000,000	[3]	550,000,000	[3]
Debt Instrument, Call Feature	* We may redeem the above notes, in whole or in part, at our option at any time at a redemption price in U.S. Dollars equal to the greater of 100% of the principal amount of the notes to be redeemed or the sum of the present values of the remaining scheduled payments of principal and interest on the notes to be redeemed, discounted to the redemption date on a semiannual basis at the adjusted treasury rate plus 10-50 basis points. The redemption price will also include interest accrued to the date of redemption on the principal balance of the notes being redeemed.
Debt Instrument Maturity Date Description	2029
Notes 5.400% Due 2035 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.40%
Debt Instrument, Carrying Amount	600,000,000	[3]	600,000,000	[3]
Debt Instrument, Call Feature	* We may redeem some or all of these series of notes at any time at a redemption price in U.S. Dollars equal to the greater of 100% of the principal amount outstanding of the applicable series of notes to be redeemed, or the sum of the present values of the remaining scheduled payments of principal and interest on the applicable series of notes to be redeemed. The discounts applied on such redemptions are based on a semiannual calculation at an adjusted treasury rate plus 10-50 basis points. The redemption price will also include interest accrued to the date of redemption on the principal balance of the notes being redeemed.
Debt Instrument Maturity Date Description	2035
Notes 6.050% Due 2036 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.05%
Debt Instrument, Carrying Amount	600,000,000	[3]	600,000,000	[3]
Debt Instrument, Call Feature	* We may redeem some or all of these series of notes at any time at a redemption price in U.S. Dollars equal to the greater of 100% of the principal amount outstanding of the applicable series of notes to be redeemed, or the sum of the present values of the remaining scheduled payments of principal and interest on the applicable series of notes to be redeemed. The discounts applied on such redemptions are based on a semiannual calculation at an adjusted treasury rate plus 10-50 basis points. The redemption price will also include interest accrued to the date of redemption on the principal balance of the notes being redeemed.
Debt Instrument Maturity Date Description	2036
Notes 6.800% Due 2036 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.80%
Debt Instrument, Carrying Amount	134,000,000	[1]	134,000,000	[1]
Debt Instrument, Call Feature	‡ Includes notes and remaining fair market value adjustments that were assumed as a part of the Goodrich acquisition on July 26, 2012.
Debt Instrument Maturity Date Description	2036
Notes 7.000% Due 2038 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	7.00%
Debt Instrument, Carrying Amount	159,000,000	[1]	159,000,000	[1]
Debt Instrument, Call Feature	‡ Includes notes and remaining fair market value adjustments that were assumed as a part of the Goodrich acquisition on July 26, 2012.
Debt Instrument Maturity Date Description	2038
Notes 6.125% Due 2038 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.125%
Debt Instrument, Carrying Amount	1,000,000,000	[3]	1,000,000,000	[3]
Debt Instrument, Call Feature	* We may redeem the above notes, in whole or in part, at our option at any time at a redemption price in U.S. Dollars equal to the greater of 100% of the principal amount of the notes to be redeemed or the sum of the present values of the remaining scheduled payments of principal and interest on the notes to be redeemed, discounted to the redemption date on a semiannual basis at the adjusted treasury rate plus 10-50 basis points. The redemption price will also include interest accrued to the date of redemption on the principal balance of the notes being redeemed.
Debt Instrument Maturity Date Description	2038
Notes 5.700% Due 2040 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.70%
Debt Instrument, Carrying Amount	1,000,000,000	[3]	1,000,000,000	[3]
Debt Instrument, Call Feature	* We may redeem the above notes, in whole or in part, at our option at any time at a redemption price in U.S. Dollars equal to the greater of 100% of the principal amount of the notes to be redeemed or the sum of the present values of the remaining scheduled payments of principal and interest on the notes to be redeemed, discounted to the redemption date on a semiannual basis at the adjusted treasury rate plus 10-50 basis points. The redemption price will also include interest accrued to the date of redemption on the principal balance of the notes being redeemed.
Debt Instrument Maturity Date Description	2040
Notes 4.500% Due 2042 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.50%
Debt Instrument, Carrying Amount	3,500,000,000	[3]	3,500,000,000
Debt Instrument, Call Feature	* We may redeem the above notes, in whole or in part, at our option at any time at a redemption price in U.S. Dollars equal to the greater of 100% of the principal amount of the notes to be redeemed or the sum of the present values of the remaining scheduled payments of principal and interest on the notes to be redeemed, discounted to the redemption date on a semiannual basis at the adjusted treasury rate plus 10-50 basis points. The redemption price will also include interest accrued to the date of redemption on the principal balance of the notes being redeemed.
Debt Instrument Maturity Date Description	2042
Revolving Credit Agreement [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	2,000,000,000
Line of Credit Facility, Amount Outstanding	0
Line of Credit Facility, Expiration Date	Nov. 30, 2016
Multicurrency Revolving Credit Agreement [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	2,000,000,000
Line of Credit Facility, Amount Outstanding	$ 0.0
Line of Credit Facility, Expiration Date	Nov. 30, 2016

[1] Includes notes and remaining fair market value adjustments that were assumed as a part of the Goodrich acquisition on July 26, 2012.

[2] The three-month LIBOR rate as of March 31, 2013 was approximately 0.3%

[3] We may redeem the above notes, in whole or in part, at our option at any time at a redemption price in U.S. Dollars equal to the greater of 100% of the principal amount of the notes to be redeemed or the sum of the present values of the remaining scheduled payments of principal and interest on the notes to be redeemed, discounted to the redemption date on a semiannual basis at the adjusted treasury rate plus 10-50 basis points. The redemption price will also include interest accrued to the date of redemption on the principal balance of the notes being redeemed.

[4] The junior subordinated notes are redeemable at our option, in whole or in part, on a date not earlier than August 1, 2017. The redemption price will be the principal amount, plus accrued and unpaid interest, if any, up to but excluding the redemption date. We may extend or eliminate the optional redemption date as part of a remarketing of the junior subordinated notes which could occur between April 29, 2015 and July 15, 2015 or between July 23, 2015 and July 29, 2015.