Subsequent Event - Additional Information (Detail) (USD $) Share data in Millions, except Per Share data, unless otherwise specified		1 Months Ended	0 Months Ended			0 Months Ended
	Mar. 31, 2014	Apr. 30, 2014 Subsequent Event [Member]	Apr. 24, 2014 Lvb Acquisition Inc [Member] Subsequent Event [Member]	Apr. 24, 2014 Musculo Skeletal Industry [Member] Subsequent Event [Member]	Apr. 24, 2014 Senior unsecured term loan and senior notes [Member] Subsequent Event [Member]	Apr. 24, 2014 Scenario, Forecast [Member] Lvb Acquisition Inc [Member] Subsequent Event [Member]
Subsequent Event [Line Items]
Date of merger agreement			Apr. 24, 2014
Total consideration						$ 13,350,000,000
Consideration paid, cash						10,350,000,000
Consideration paid, shares						32.7
Consideration paid, Common stock value						3,000,000,000
Consideration paid, common stock price			$ 91.73
Net worth				45,000,000,000
Senior unsecured term loan and senior notes	250,000,000				3,000,000,000
Bridge loan		$ 7,660,000,000
Debt instrument term		364 days