Debt and Borrowing Arrangements - Additional Information (Detail) € in Millions, £ in Millions, SFr in Millions | Feb. 09, 2016USD ($) | Jan. 26, 2016USD ($) | Jan. 21, 2016USD ($) | Nov. 30, 2015USD ($) | Nov. 25, 2015USD ($) | Jun. 11, 2015EUR (€) | Mar. 30, 2015USD ($) | Mar. 20, 2015USD ($) | Mar. 20, 2015EUR (€) | Mar. 06, 2015USD ($) | Dec. 11, 2014GBP (£) | Feb. 19, 2014USD ($) | Feb. 06, 2014USD ($) | Jan. 16, 2014USD ($) | Feb. 06, 2001USD ($) | Dec. 31, 2015USD ($) | Mar. 31, 2015USD ($) | Jun. 30, 2014USD ($) | Dec. 31, 2015USD ($) | Dec. 31, 2014USD ($) | Dec. 31, 2013USD ($) | Jan. 31, 2016USD ($) | Jan. 26, 2016CHF (SFr) | Jan. 21, 2016EUR (€) | Nov. 30, 2015GBP (£) | Nov. 25, 2015GBP (£) | Oct. 06, 2015USD ($) | Oct. 06, 2015CHF (SFr) | Mar. 30, 2015CHF (SFr) | Mar. 06, 2015GBP (£) | Mar. 06, 2015EUR (€) | Feb. 06, 2015USD ($) |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Revolving credit facility debt covenant | | | | | | | | | | | | | | | | | | | $ 24,600,000,000 | | | | | | | | | | | | | |
Deferred debt issuance costs | | | | | | | | | | | | | | | | $ 46,000,000 | | | 46,000,000 | $ 44,000,000 | $ 51,000,000 | | | | | | | | | | | |
Unamortized non-cash bond premiums, discounts, bank fees and mark-to-market adjustments | | | | | | | | | | | | | | | | | | | (70,000,000) | | | | | | | | | | | | | |
Debt instrument, principal amount | | | | | | | | | | | | | | | | | | | 4,975,000,000 | 3,017,000,000 | 7,559,000,000 | | | | | | | | | | | |
Debt instrument, principal amount | | | | | | | | | | | | | | $ 3,000,000,000 | | | | | | | | | | | | | | | | | | |
Cash tender offer amount | | | | | | | | $ 2,500,000,000 | | | | | | | | | | | | | | | | | | | | | | | | $ 1,560,000,000 |
Loss on extinguishment of debt | | | | | | | | | | | | | | | | | | | $ (748,000,000) | $ (493,000,000) | $ (608,000,000) | | | | | | | | | | | |
Weighted-average interest rate | | | | | | | | | | | | | | | | 3.70% | | | 3.70% | 4.30% | | | | | | | | | | | | |
Fair value of total debt | | | | | | | | | | | | | | | | $ 15,908,000,000 | | | $ 15,908,000,000 | $ 18,463,000,000 | | | | | | | | | | | | |
Carrying value of total debt | | | | | | | | | | | | | | | | 15,398,000,000 | | | 15,398,000,000 | 16,656,000,000 | | | | | | | | | | | | |
International Subsidiaries | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Revolving credit facility, maximum borrowing capacity | | | | | | | | | | | | | | | | 1,900,000,000 | | | 1,900,000,000 | 2,100,000,000 | | | | | | | | | | | | |
Line of credit facility outstanding amount | | | | | | | | | | | | | | | | 236,000,000 | | | 236,000,000 | $ 204,000,000 | | | | | | | | | | | | |
Revolving Credit Facility, October 11, 2018 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Revolving credit facility, maximum borrowing capacity | | | | | | | | | | | | | | | | 4,500,000,000 | | | $ 4,500,000,000 | | | | | | | | | | | | | |
Revolving credit facility expiration date | | | | | | | | | | | | | | | | | | | Oct. 11, 2018 | | | | | | | | | | | | | |
Revolving credit facility debt covenant terms | | | | | | | | | | | | | | | | | | | Minimum shareholders' equity of at least $24.6 billion, excluding accumulated other comprehensive earnings / (losses) and the cumulative effects of any changes in accounting principles. | | | | | | | | | | | | | |
Revolving credit facility debt covenant compliance | | | | | | | | | | | | | | | | | | | At December 31, 2015, we [complied with] the covenant | | | | | | | | | | | | | |
Total shareholders' equity, excluding accumulated other comprehensive earnings / (losses) | | | | | | | | | | | | | | | | 38,000,000,000 | | | $ 38,000,000,000 | | | | | | | | | | | | | |
Line of credit facility outstanding amount | | | | | | | | | | | | | | | | 0 | | | 0 | | | | | | | | | | | | | |
Floating Rate Notes | London Interbank Offered Rate (LIBOR) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument, principal amount | | | | | | | | | | | | | | $ 400,000,000 | | | | | | | | | | | | | | | | | | |
Deb instrument maturity date | | | | | | | | | | | | | | Feb. 1, 2019 | | | | | | | | | | | | | | | | | | |
Debt instrument basis spread on variable rate | | | | | | | | | | | | | | 0.52% | | | | | | | | | | | | | | | | | | |
Swiss franc notes | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument, principal amount | | | | | | | | | | | | | | | | 410,000,000 | $ 694,000,000 | | 410,000,000 | | | | | | | | | SFr 400 | SFr 675 | | | |
Net proceeds from issuance of notes | | | | | | | $ 675,000,000 | | | | | | | | | | | | 410,000,000 | | | | | | | | | | | | | |
Discounts and deferred financing costs | | | | | | | 2,000,000 | | | | | | | | | | | | | | | | | | | | | | | | | |
Swiss franc notes | Maximum | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Discounts and deferred financing costs | | | | | | | | | | | | | | | | 1,000,000 | | | 1,000,000 | | | | | | | | | | | | | |
Euro notes | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument, principal amount | € | | | | | | € 400 | | | | | | | | | | | | | | | | | | | | | | | | | | |
Seven Point Two Five Zero Percent Notes | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument interest rate | | | | 7.25% | | | | | | | | | | | | | | | | | | | | | 7.25% | | | | | | | |
Cash tender offer amount | | | | $ 372,000,000 | | | | | | | | | | | | | | | | | | | | | £ 247 | | | | | | | |
Debt instrument maturity Year | | | | 2018-07 | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Four Point Five Zero Zero Percent Notes | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument interest rate | | | | | 4.50% | | | | | | | | | | | | | | | | | | | | | 4.50% | | | | | | |
Debt instrument, principal amount | | | | | | | | | | | | | | | | 609,000,000 | | | $ 609,000,000 | | | | | | | £ 400 | | | | | | |
Deb instrument maturity date | | | | | Dec. 3, 2035 | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Net proceeds from issuance of notes | | | | | $ 604,000,000 | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Discounts and deferred financing costs | | | | | $ 5,000,000 | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss on extinguishment of debt | | | | | | | | | | | | | | | | $ (40,000,000) | | | | | | | | | | | | | | | | |
0.000% Fixed Rate Notes, mature on March 30, 2017 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument, principal amount | | | | | | | $ 180,000,000 | | | | | | | | | | | | | | | | | | | | | | SFr 175 | | | |
Debt instrument, fixed interest rate | | | | | | | 0.00% | | | | | | | | | | | | | | | | | | | | | | 0.00% | | | |
Deb instrument maturity date | | | | | | | | | | | | | | | | | | | Mar. 30, 2017 | | | | | | | | | | | | | |
0.625% Fixed Rate Notes, mature on December 30, 2021 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument, principal amount | | | | | | | $ 308,000,000 | | | | | | | | | | | | | | | | | | | | | | SFr 300 | | | |
Debt instrument, fixed interest rate | | | | | | | 0.625% | | | | | | | | | | | | | | | | | | | | | | 0.625% | | | |
Deb instrument maturity date | | | | | | | | | | | | | | | | | | | Dec. 30, 2021 | | | | | | | | | | | | | |
1.125% Fixed Rate Notes, mature on December 30, 2025 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument, principal amount | | | | | | | $ 206,000,000 | | | | | | | | | | | | | | | | | | | | | | SFr 200 | | | |
Debt instrument, fixed interest rate | | | | | | | 1.125% | | | | | | | | | | | | | | | | | | | | | | 1.125% | | | |
Deb instrument maturity date | | | | | | | | | | | | | | | | | | | Dec. 30, 2025 | | | | | | | | | | | | | |
Euro-denominated notes | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument, principal amount | € | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | € 2,000 | |
Euro-denominated notes | 6.250% Senior Notes | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument, principal amount | € | | | | | | | | | € 850 | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument interest rate | | | | | | | | 6.25% | | | | | | | | | | | | | | | | | | | | | | | | |
Tender Offer | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Loss on extinguishment of debt | | | | | | | | | | | | | | | | | (708,000,000) | $ (493,000,000) | | | | | | | | | | | | | | |
Tender Offer | Cash Flow Hedges | Interest rate contracts | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Interest expense | | | | | | | | $ 5,000,000 | | | | | $ 2,000,000 | | | | | | | | | | | | | | | | | | | |
Tender Offer | 6.500% Notes due in August 2017 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument interest rate | | | | | | | | 6.50% | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument repurchased, principal amount | | | | | | | | $ 102,000,000 | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument expiration | | | | | | | | | | | | | | | | | | | 2017-08 | | | | | | | | | | | | | |
Tender Offer | 6.125% Notes due in February 2018 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument interest rate | | | | | | | | 6.125% | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument repurchased, principal amount | | | | | | | | $ 115,000,000 | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument expiration | | | | | | | | | | | | | | | | | | | 2018-02 | | | | | | | | | | | | | |
Tender Offer | 6.125% Notes due in August 2018 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument interest rate | | | | | | | | 6.125% | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument repurchased, principal amount | | | | | | | | $ 80,000,000 | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument expiration | | | | | | | | | | | | | | | | | | | 2018-08 | | | | | | | | | | | | | |
Tender Offer | 5.375% Notes due in February 2020 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument interest rate | | | | | | | | 5.375% | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument repurchased, principal amount | | | | | | | | $ 691,000,000 | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument expiration | | | | | | | | | | | | | | | | | | | 2020-02 | | | | | | | | | | | | | |
Tender Offer | 6.500% Notes due in November 2031 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument interest rate | | | | | | | | 6.50% | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument repurchased, principal amount | | | | | | | | $ 201,000,000 | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument expiration | | | | | | | | | | | | | | | | | | | 2031-11 | | | | | | | | | | | | | |
Tender Offer | 7.000% Notes due in August 2037 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument interest rate | | | | | | | | 7.00% | | | | | 7.00% | | | | | | | | | | | | | | | | | | | |
Debt instrument repurchased, principal amount | | | | | | | | $ 26,000,000 | | | | | $ 393,000,000 | | | | | | | | | | | | | | | | | | | |
Debt instrument expiration | | | | | | | | | | | | | 2037-08 | | | | | | 2037-08 | | | | | | | | | | | | | |
Tender Offer | 6.875% Notes due in February 2038 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument interest rate | | | | | | | | 6.875% | | | | | 6.875% | | | | | | | | | | | | | | | | | | | |
Debt instrument repurchased, principal amount | | | | | | | | $ 71,000,000 | | | | | $ 382,000,000 | | | | | | | | | | | | | | | | | | | |
Debt instrument expiration | | | | | | | | | | | | | 2038-02 | | | | | | 2038-02 | | | | | | | | | | | | | |
Tender Offer | 6.875% Notes due in January 2039 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument interest rate | | | | | | | | 6.875% | | | | | 6.875% | | | | | | | | | | | | | | | | | | | |
Debt instrument repurchased, principal amount | | | | | | | | $ 69,000,000 | | | | | $ 250,000,000 | | | | | | | | | | | | | | | | | | | |
Debt instrument expiration | | | | | | | | | | | | | 2039-01 | | | | | | 2039-01 | | | | | | | | | | | | | |
Tender Offer | 6.500% Notes due in February 2040 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument interest rate | | | | | | | | 6.50% | | | | | | | 6.50% | | | | | | | | | | | | | | | | | |
Debt instrument repurchased, principal amount | | | | | | | | $ 1,143,000,000 | | | | | | | $ 535,000,000 | | | | | | | | | | | | | | | | | |
Debt instrument expiration | | | | | | | | | | | | | | | 2040-02 | | | | 2040-02 | | | | | | | | | | | | | |
Euro-denominated and British pound sterling-denominated notes | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument, principal amount | | | | | | | | | | $ 2,800,000,000 | | | | | | | $ 2,800,000,000 | | | | | | | | | | | | | | | |
Net proceeds from issuance of notes | | | | | | | | | | 2,890,000,000 | | | | | | | | | | | | | | | | | | | | | | |
Discounts and deferred financing costs | | | | | | | | | | 29,000,000 | | | | | | | | | | | | | | | | | | | | | | |
British pound sterling-denominated notes | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument, principal amount | £ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | £ 450 | | |
1.000% Fixed rate notes, due March 7, 2022 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument, principal amount | | | | | | | | | | $ 537,000,000 | | | | | | | | | | | | | | | | | | | | | € 500 | |
Debt instrument, fixed interest rate | | | | | | | | | | 1.00% | | | | | | | | | | | | | | | | | | | | 1.00% | 1.00% | |
Deb instrument maturity date | | | | | | | | | | | | | | | | | | | Mar. 7, 2022 | | | | | | | | | | | | | |
1.625% Fixed rate notes due , March 8, 2027 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument, principal amount | | | | | | | | | | $ 805,000,000 | | | | | | | | | | | | | | | | | | | | | € 750 | |
Debt instrument, fixed interest rate | | | | | | | | | | 1.625% | | | | | | | | | | | | | | | | | | | | 1.625% | 1.625% | |
Deb instrument maturity date | | | | | | | | | | | | | | | | | | | Mar. 8, 2027 | | | | | | | | | | | | | |
2.375% Fixed rate notes, due March 6, 2035 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument, principal amount | | | | | | | | | | $ 805,000,000 | | | | | | | | | | | | | | | | | | | | | € 750 | |
Debt instrument, fixed interest rate | | | | | | | | | | 2.375% | | | | | | | | | | | | | | | | | | | | 2.375% | 2.375% | |
Deb instrument maturity date | | | | | | | | | | | | | | | | | | | Mar. 6, 2035 | | | | | | | | | | | | | |
3.875% Fixed rate notes, due March 6, 2045 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument, principal amount | | | | | | | | | | $ 667,000,000 | | | | | | | | | | | | | | | | | | | | £ 450 | | |
Debt instrument, fixed interest rate | | | | | | | | | | 3.875% | | | | | | | | | | | | | | | | | | | | 3.875% | 3.875% | |
Deb instrument maturity date | | | | | | | | | | | | | | | | | | | Mar. 6, 2045 | | | | | | | | | | | | | |
5.375% | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument, principal amount | £ | | | | | | | | | | | £ 300 | | | | | | | | | | | | | | | | | | | | | |
Debt instrument interest rate | | | | | | | | | | | 5.375% | | | | | | | | | | | | | | | | | | | | | |
6.75% Notes | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument, principal amount | | | | | | | | | | | | $ 500,000,000 | | | | | | | | | | | | | | | | | | | | |
Debt instrument interest rate | | | | | | | | | | | | 6.75% | | | | | | | | | | | | | | | | | | | | |
2.250% Fixed Rate Notes | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument, principal amount | | | | | | | | | | | | | | $ 850,000,000 | | | | | | | | | | | | | | | | | | |
Debt instrument, fixed interest rate | | | | | | | | | | | | | | 2.25% | | | | | | | | | | | | | | | | | | |
Deb instrument maturity date | | | | | | | | | | | | | | Feb. 1, 2019 | | | | | | | | | | | | | | | | | | |
4.000% Fixed Rate Notes | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument, principal amount | | | | | | | | | | | | | | $ 1,750,000,000 | | | | | | | | | | | | | | | | | | |
Debt instrument, fixed interest rate | | | | | | | | | | | | | | 4.00% | | | | | | | | | | | | | | | | | | |
Deb instrument maturity date | | | | | | | | | | | | | | Feb. 1, 2024 | | | | | | | | | | | | | | | | | | |
Us Dollar | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Net proceeds from issuance of notes | | | | | | | | | | | | | | $ 2,982,000,000 | | | | | | | | | | | | | | | | | | |
Discounts and deferred financing costs | | | | | | | | | | | | | | $ 18,000,000 | | | | | | | | | | | | | | | | | | |
0.625% Fixed Rate Notes, mature on October 6, 2020 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument, principal amount | | | | | | | | | | | | | | | | | | | | | | | | | | | $ 138,000,000 | SFr 135 | | | | |
Debt instrument, fixed interest rate | | | | | | | | | | | | | | | | | | | | | | | | | | | 0.625% | 0.625% | | | | |
Deb instrument maturity date | | | | | | | | | | | | | | | | | | | Oct. 6, 2020 | | | | | | | | | | | | | |
1.125% Fixed Rate Notes, mature on December 21, 2023 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument, principal amount | | | | | | | | | | | | | | | | | | | | | | | | | | | $ 272,000,000 | SFr 265 | | | | |
Debt instrument, fixed interest rate | | | | | | | | | | | | | | | | | | | | | | | | | | | 1.125% | 1.125% | | | | |
Deb instrument maturity date | | | | | | | | | | | | | | | | | | | Dec. 21, 2023 | | | | | | | | | | | | | |
Subsequent Event | 4.125% U.S. dollar Notes | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument, principal amount | $ 1,750,000,000 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument interest rate | 4.125% | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Subsequent Event | 4.125% U.S. dollar Notes | January 26 & 21 issuances | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument, principal amount | | | | | | | | | | | | | | | | | | | | | | $ 1,150,000,000 | | | | | | | | | | |
Subsequent Event | Swiss franc notes | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument, principal amount | | $ 399,000,000 | | | | | | | | | | | | | | | | | | | | | SFr 400 | | | | | | | | | |
Net proceeds from issuance of notes | | 398,000,000 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Discounts and deferred financing costs | | 1,000,000 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Subsequent Event | Euro notes | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument, principal amount | € | | | | | | | | | | | | | | | | | | | | | | | | € 700 | | | | | | | | |
Subsequent Event | 0.080% Fixed Rate Notes, mature on January 26, 2018 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument, principal amount | | $ 249,000,000 | | | | | | | | | | | | | | | | | | | | | SFr 250 | | | | | | | | | |
Debt instrument, fixed interest rate | | 0.08% | | | | | | | | | | | | | | | | | | | | | 0.08% | | | | | | | | | |
Deb instrument maturity date | | Jan. 26, 2018 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Subsequent Event | 0.650% Fixed Rate Notes, mature on July 26, 2022 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument, principal amount | | $ 150,000,000 | | | | | | | | | | | | | | | | | | | | | SFr 150 | | | | | | | | | |
Debt instrument, fixed interest rate | | 0.65% | | | | | | | | | | | | | | | | | | | | | 0.65% | | | | | | | | | |
Deb instrument maturity date | | Jul. 26, 2022 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Subsequent Event | One Point Six Two Five Percentage Notes Due January Twenty Twenty Three | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt instrument interest rate | | | 1.625% | | | | | | | | | | | | | | | | | | | | | 1.625% | | | | | | | | |
Debt instrument, principal amount | | | $ 760,000,000 | | | | | | | | | | | | | | | | | | | | | € 700 | | | | | | | | |
Deb instrument maturity date | | | Jan. 20, 2023 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Net proceeds from issuance of notes | | | $ 752,000,000 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Discounts and deferred financing costs | | | $ 8,000,000 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |